20312826660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{848489}}^1$

素因数の和:848530

約数の個数: 144

約数和(自身を含む): 74124086400

約数和(自身を除く): 53811259740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 848489, 1696978, 2545467, 3393956, 4242445, 5090934, 5939423, 7636401, 8484890, 10181868, 11878846, 12727335, 15272802, 16121291, 16969780, 17818269, 23757692, 25454670, 29697115, 30545604, 32242582, 35636538, 38182005, 48363873, 50909340, 53454807, 59394230, 64485164, 71273076, 76364010, 80606455, 89091345, 96727746, 106909614, 112849037, 118788460, 145091619, 152728020, 161212910, 178182690, 193455492, 213819228, 225698074, 241819365, 267274035, 290183238, 322425820, 338547111, 356365380, 451396148, 483638730, 534548070, 564245185, 580366476, 677094222, 725458095, 967277460, 1015641333, 1069096140, 1128490370, 1354188444, 1450916190, 1692735555, 2031282666, 2256980740, 2901832380, 3385471110, 4062565332, 5078206665, 6770942220, 10156413330, 20312826660]

約数ペア:

[(1, 20312826660), (2, 10156413330), (3, 6770942220), (4, 5078206665), (5, 4062565332), (6, 3385471110), (7, 2901832380), (9, 2256980740), (10, 2031282666), (12, 1692735555), (14, 1450916190), (15, 1354188444), (18, 1128490370), (19, 1069096140), (20, 1015641333), (21, 967277460), (28, 725458095), (30, 677094222), (35, 580366476), (36, 564245185), (38, 534548070), (42, 483638730), (45, 451396148), (57, 356365380), (60, 338547111), (63, 322425820), (70, 290183238), (76, 267274035), (84, 241819365), (90, 225698074), (95, 213819228), (105, 193455492), (114, 178182690), (126, 161212910), (133, 152728020), (140, 145091619), (171, 118788460), (180, 112849037), (190, 106909614), (210, 96727746), (228, 89091345), (252, 80606455), (266, 76364010), (285, 71273076), (315, 64485164), (342, 59394230), (380, 53454807), (399, 50909340), (420, 48363873), (532, 38182005), (570, 35636538), (630, 32242582), (665, 30545604), (684, 29697115), (798, 25454670), (855, 23757692), (1140, 17818269), (1197, 16969780), (1260, 16121291), (1330, 15272802), (1596, 12727335), (1710, 11878846), (1995, 10181868), (2394, 8484890), (2660, 7636401), (3420, 5939423), (3990, 5090934), (4788, 4242445), (5985, 3393956), (7980, 2545467), (11970, 1696978), (23940, 848489)]