2020217920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 224

約数和(自身を含む): 5805342720

約数和(自身を除く): 3785124800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 47, 56, 62, 64, 70, 80, 94, 112, 124, 140, 155, 160, 188, 217, 224, 235, 248, 280, 310, 320, 329, 376, 434, 448, 470, 496, 560, 619, 620, 658, 752, 868, 940, 992, 1085, 1120, 1238, 1240, 1316, 1457, 1504, 1645, 1736, 1880, 1984, 2170, 2240, 2476, 2480, 2632, 2914, 3008, 3095, 3290, 3472, 3760, 4333, 4340, 4952, 4960, 5264, 5828, 6190, 6580, 6944, 7285, 7520, 8666, 8680, 9904, 9920, 10199, 10528, 11656, 12380, 13160, 13888, 14570, 15040, 17332, 17360, 19189, 19808, 20398, 21056, 21665, 23312, 24760, 26320, 29093, 29140, 34664, 34720, 38378, 39616, 40796, 43330, 46624, 49520, 50995, 52640, 58186, 58280, 69328, 69440, 76756, 81592, 86660, 93248, 95945, 99040, 101990, 105280, 116372, 116560, 134323, 138656, 145465, 153512, 163184, 173320, 191890, 198080, 203651, 203980, 232744, 233120, 268646, 277312, 290930, 307024, 326368, 346640, 383780, 407302, 407960, 465488, 466240, 537292, 581860, 614048, 652736, 671615, 693280, 767560, 814604, 815920, 901883, 930976, 1018255, 1074584, 1163720, 1228096, 1343230, 1386560, 1535120, 1629208, 1631840, 1803766, 1861952, 2036510, 2149168, 2327440, 2686460, 3070240, 3258416, 3263680, 3607532, 4073020, 4298336, 4509415, 4654880, 5372920, 6140480, 6313181, 6516832, 7215064, 8146040, 8596672, 9018830, 9309760, 10745840, 12626362, 13033664, 14430128, 16292080, 18037660, 21491680, 25252724, 28860256, 31565905, 32584160, 36075320, 42983360, 50505448, 57720512, 63131810, 65168320, 72150640, 101010896, 126263620, 144301280, 202021792, 252527240, 288602560, 404043584, 505054480, 1010108960, 2020217920]

約数ペア:

[(1, 2020217920), (2, 1010108960), (4, 505054480), (5, 404043584), (7, 288602560), (8, 252527240), (10, 202021792), (14, 144301280), (16, 126263620), (20, 101010896), (28, 72150640), (31, 65168320), (32, 63131810), (35, 57720512), (40, 50505448), (47, 42983360), (56, 36075320), (62, 32584160), (64, 31565905), (70, 28860256), (80, 25252724), (94, 21491680), (112, 18037660), (124, 16292080), (140, 14430128), (155, 13033664), (160, 12626362), (188, 10745840), (217, 9309760), (224, 9018830), (235, 8596672), (248, 8146040), (280, 7215064), (310, 6516832), (320, 6313181), (329, 6140480), (376, 5372920), (434, 4654880), (448, 4509415), (470, 4298336), (496, 4073020), (560, 3607532), (619, 3263680), (620, 3258416), (658, 3070240), (752, 2686460), (868, 2327440), (940, 2149168), (992, 2036510), (1085, 1861952), (1120, 1803766), (1238, 1631840), (1240, 1629208), (1316, 1535120), (1457, 1386560), (1504, 1343230), (1645, 1228096), (1736, 1163720), (1880, 1074584), (1984, 1018255), (2170, 930976), (2240, 901883), (2476, 815920), (2480, 814604), (2632, 767560), (2914, 693280), (3008, 671615), (3095, 652736), (3290, 614048), (3472, 581860), (3760, 537292), (4333, 466240), (4340, 465488), (4952, 407960), (4960, 407302), (5264, 383780), (5828, 346640), (6190, 326368), (6580, 307024), (6944, 290930), (7285, 277312), (7520, 268646), (8666, 233120), (8680, 232744), (9904, 203980), (9920, 203651), (10199, 198080), (10528, 191890), (11656, 173320), (12380, 163184), (13160, 153512), (13888, 145465), (14570, 138656), (15040, 134323), (17332, 116560), (17360, 116372), (19189, 105280), (19808, 101990), (20398, 99040), (21056, 95945), (21665, 93248), (23312, 86660), (24760, 81592), (26320, 76756), (29093, 69440), (29140, 69328), (34664, 58280), (34720, 58186), (38378, 52640), (39616, 50995), (40796, 49520), (43330, 46624)]