20193892180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{683}}^1$

素因数の和:1046

約数の個数: 192

約数和(自身を含む): 53878099968

約数和(自身を除く): 33684207788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 220, 263, 292, 308, 365, 385, 511, 526, 683, 730, 770, 803, 1022, 1052, 1315, 1366, 1460, 1540, 1606, 1841, 2044, 2555, 2630, 2732, 2893, 3212, 3415, 3682, 4015, 4781, 5110, 5260, 5621, 5786, 6830, 7364, 7513, 8030, 9205, 9562, 10220, 11242, 11572, 13660, 14465, 15026, 16060, 18410, 19124, 19199, 20251, 22484, 23905, 28105, 28930, 30052, 36820, 37565, 38398, 40502, 47810, 49859, 52591, 56210, 57860, 75130, 76796, 81004, 95620, 95995, 99718, 101255, 105182, 112420, 134393, 150260, 179629, 191990, 199436, 202510, 210364, 211189, 249295, 262955, 268786, 349013, 359258, 383980, 405020, 422378, 498590, 525910, 537572, 548449, 671965, 698026, 718516, 844756, 898145, 997180, 1051820, 1055945, 1096898, 1257403, 1343930, 1396052, 1478323, 1745065, 1796290, 1975919, 2111890, 2193796, 2514806, 2687860, 2742245, 2956646, 3490130, 3592580, 3839143, 3951838, 4223780, 5029612, 5484490, 5913292, 6287015, 6980260, 7391615, 7678286, 7903676, 9879595, 10968980, 12574030, 13112917, 13831433, 14783230, 15356572, 19195715, 19759190, 25148060, 26225834, 27662866, 29566460, 38391430, 39518380, 52451668, 55325732, 65564585, 69157165, 76782860, 91790419, 131129170, 138314330, 144242087, 183580838, 262258340, 276628660, 288484174, 367161676, 458952095, 576968348, 721210435, 917904190, 1009694609, 1442420870, 1835808380, 2019389218, 2884841740, 4038778436, 5048473045, 10096946090, 20193892180]

約数ペア:

[(1, 20193892180), (2, 10096946090), (4, 5048473045), (5, 4038778436), (7, 2884841740), (10, 2019389218), (11, 1835808380), (14, 1442420870), (20, 1009694609), (22, 917904190), (28, 721210435), (35, 576968348), (44, 458952095), (55, 367161676), (70, 288484174), (73, 276628660), (77, 262258340), (110, 183580838), (140, 144242087), (146, 138314330), (154, 131129170), (220, 91790419), (263, 76782860), (292, 69157165), (308, 65564585), (365, 55325732), (385, 52451668), (511, 39518380), (526, 38391430), (683, 29566460), (730, 27662866), (770, 26225834), (803, 25148060), (1022, 19759190), (1052, 19195715), (1315, 15356572), (1366, 14783230), (1460, 13831433), (1540, 13112917), (1606, 12574030), (1841, 10968980), (2044, 9879595), (2555, 7903676), (2630, 7678286), (2732, 7391615), (2893, 6980260), (3212, 6287015), (3415, 5913292), (3682, 5484490), (4015, 5029612), (4781, 4223780), (5110, 3951838), (5260, 3839143), (5621, 3592580), (5786, 3490130), (6830, 2956646), (7364, 2742245), (7513, 2687860), (8030, 2514806), (9205, 2193796), (9562, 2111890), (10220, 1975919), (11242, 1796290), (11572, 1745065), (13660, 1478323), (14465, 1396052), (15026, 1343930), (16060, 1257403), (18410, 1096898), (19124, 1055945), (19199, 1051820), (20251, 997180), (22484, 898145), (23905, 844756), (28105, 718516), (28930, 698026), (30052, 671965), (36820, 548449), (37565, 537572), (38398, 525910), (40502, 498590), (47810, 422378), (49859, 405020), (52591, 383980), (56210, 359258), (57860, 349013), (75130, 268786), (76796, 262955), (81004, 249295), (95620, 211189), (95995, 210364), (99718, 202510), (101255, 199436), (105182, 191990), (112420, 179629), (134393, 150260)]