20120163120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{901441}}^1$

素因数の和:901491

約数の個数: 120

約数和(自身を含む): 69749976192

約数和(自身を除く): 49629813072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 901441, 1802882, 2704323, 3605764, 4507205, 5408646, 7211528, 8112969, 9014410, 10817292, 13521615, 14423056, 16225938, 18028820, 21634584, 27043230, 27944671, 32451876, 36057640, 40564845, 43269168, 54086460, 55889342, 64903752, 72115280, 81129690, 83834013, 108172920, 111778684, 129807504, 139723355, 162259380, 167668026, 216345840, 223557368, 251502039, 279446710, 324518760, 335336052, 419170065, 447114736, 503004078, 558893420, 649037520, 670672104, 838340130, 1006008156, 1117786840, 1257510195, 1341344208, 1676680260, 2012016312, 2235573680, 2515020390, 3353360520, 4024032624, 5030040780, 6706721040, 10060081560, 20120163120]

約数ペア:

[(1, 20120163120), (2, 10060081560), (3, 6706721040), (4, 5030040780), (5, 4024032624), (6, 3353360520), (8, 2515020390), (9, 2235573680), (10, 2012016312), (12, 1676680260), (15, 1341344208), (16, 1257510195), (18, 1117786840), (20, 1006008156), (24, 838340130), (30, 670672104), (31, 649037520), (36, 558893420), (40, 503004078), (45, 447114736), (48, 419170065), (60, 335336052), (62, 324518760), (72, 279446710), (80, 251502039), (90, 223557368), (93, 216345840), (120, 167668026), (124, 162259380), (144, 139723355), (155, 129807504), (180, 111778684), (186, 108172920), (240, 83834013), (248, 81129690), (279, 72115280), (310, 64903752), (360, 55889342), (372, 54086460), (465, 43269168), (496, 40564845), (558, 36057640), (620, 32451876), (720, 27944671), (744, 27043230), (930, 21634584), (1116, 18028820), (1240, 16225938), (1395, 14423056), (1488, 13521615), (1860, 10817292), (2232, 9014410), (2480, 8112969), (2790, 7211528), (3720, 5408646), (4464, 4507205), (5580, 3605764), (7440, 2704323), (11160, 1802882), (22320, 901441)]