20304900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:331

約数の個数: 216

約数和(自身を含む): 79619904

約数和(自身を除く): 59315004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 293, 300, 308, 315, 330, 350, 385, 396, 420, 450, 462, 495, 525, 550, 586, 630, 660, 693, 700, 770, 825, 879, 900, 924, 990, 1050, 1100, 1155, 1172, 1260, 1386, 1465, 1540, 1575, 1650, 1758, 1925, 1980, 2051, 2100, 2310, 2475, 2637, 2772, 2930, 3150, 3223, 3300, 3465, 3516, 3850, 4102, 4395, 4620, 4950, 5274, 5775, 5860, 6153, 6300, 6446, 6930, 7325, 7700, 8204, 8790, 9669, 9900, 10255, 10548, 11550, 12306, 12892, 13185, 13860, 14650, 16115, 17325, 17580, 18459, 19338, 20510, 21975, 22561, 23100, 24612, 26370, 29007, 29300, 30765, 32230, 34650, 36918, 38676, 41020, 43950, 45122, 48345, 51275, 52740, 58014, 61530, 64460, 65925, 67683, 69300, 73836, 80575, 87900, 90244, 92295, 96690, 102550, 112805, 116028, 123060, 131850, 135366, 145035, 153825, 161150, 184590, 193380, 203049, 205100, 225610, 241725, 263700, 270732, 290070, 307650, 322300, 338415, 369180, 406098, 451220, 461475, 483450, 564025, 580140, 615300, 676830, 725175, 812196, 922950, 966900, 1015245, 1128050, 1353660, 1450350, 1692075, 1845900, 2030490, 2256100, 2900700, 3384150, 4060980, 5076225, 6768300, 10152450, 20304900]

約数ペア:

[(1, 20304900), (2, 10152450), (3, 6768300), (4, 5076225), (5, 4060980), (6, 3384150), (7, 2900700), (9, 2256100), (10, 2030490), (11, 1845900), (12, 1692075), (14, 1450350), (15, 1353660), (18, 1128050), (20, 1015245), (21, 966900), (22, 922950), (25, 812196), (28, 725175), (30, 676830), (33, 615300), (35, 580140), (36, 564025), (42, 483450), (44, 461475), (45, 451220), (50, 406098), (55, 369180), (60, 338415), (63, 322300), (66, 307650), (70, 290070), (75, 270732), (77, 263700), (84, 241725), (90, 225610), (99, 205100), (100, 203049), (105, 193380), (110, 184590), (126, 161150), (132, 153825), (140, 145035), (150, 135366), (154, 131850), (165, 123060), (175, 116028), (180, 112805), (198, 102550), (210, 96690), (220, 92295), (225, 90244), (231, 87900), (252, 80575), (275, 73836), (293, 69300), (300, 67683), (308, 65925), (315, 64460), (330, 61530), (350, 58014), (385, 52740), (396, 51275), (420, 48345), (450, 45122), (462, 43950), (495, 41020), (525, 38676), (550, 36918), (586, 34650), (630, 32230), (660, 30765), (693, 29300), (700, 29007), (770, 26370), (825, 24612), (879, 23100), (900, 22561), (924, 21975), (990, 20510), (1050, 19338), (1100, 18459), (1155, 17580), (1172, 17325), (1260, 16115), (1386, 14650), (1465, 13860), (1540, 13185), (1575, 12892), (1650, 12306), (1758, 11550), (1925, 10548), (1980, 10255), (2051, 9900), (2100, 9669), (2310, 8790), (2475, 8204), (2637, 7700), (2772, 7325), (2930, 6930), (3150, 6446), (3223, 6300), (3300, 6153), (3465, 5860), (3516, 5775), (3850, 5274), (4102, 4950), (4395, 4620)]