20210371280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1\times {\mathrm{751}}^1$

素因数の和:1405

約数の個数: 160

約数和(自身を含む): 52388218368

約数和(自身を除く): 32177847088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 577, 583, 751, 848, 880, 1060, 1154, 1166, 1502, 2120, 2308, 2332, 2885, 2915, 3004, 3755, 4240, 4616, 4664, 5770, 5830, 6008, 6347, 7510, 8261, 9232, 9328, 11540, 11660, 12016, 12694, 15020, 16522, 23080, 23320, 25388, 30040, 30581, 31735, 33044, 39803, 41305, 46160, 46640, 50776, 60080, 61162, 63470, 66088, 79606, 82610, 101552, 122324, 126940, 132176, 152905, 159212, 165220, 199015, 244648, 253880, 305810, 318424, 330440, 336391, 398030, 433327, 437833, 489296, 507760, 611620, 636848, 660880, 672782, 796060, 866654, 875666, 1223240, 1345564, 1592120, 1681955, 1733308, 1751332, 2166635, 2189165, 2446480, 2691128, 3184240, 3363910, 3466616, 3502664, 4333270, 4378330, 4766597, 5382256, 6727820, 6933232, 7005328, 8666540, 8756660, 9533194, 13455640, 17333080, 17513320, 19066388, 22966331, 23832985, 26911280, 34666160, 35026640, 38132776, 45932662, 47665970, 76265552, 91865324, 95331940, 114831655, 183730648, 190663880, 229663310, 252629641, 367461296, 381327760, 459326620, 505259282, 918653240, 1010518564, 1263148205, 1837306480, 2021037128, 2526296410, 4042074256, 5052592820, 10105185640, 20210371280]

約数ペア:

[(1, 20210371280), (2, 10105185640), (4, 5052592820), (5, 4042074256), (8, 2526296410), (10, 2021037128), (11, 1837306480), (16, 1263148205), (20, 1010518564), (22, 918653240), (40, 505259282), (44, 459326620), (53, 381327760), (55, 367461296), (80, 252629641), (88, 229663310), (106, 190663880), (110, 183730648), (176, 114831655), (212, 95331940), (220, 91865324), (265, 76265552), (424, 47665970), (440, 45932662), (530, 38132776), (577, 35026640), (583, 34666160), (751, 26911280), (848, 23832985), (880, 22966331), (1060, 19066388), (1154, 17513320), (1166, 17333080), (1502, 13455640), (2120, 9533194), (2308, 8756660), (2332, 8666540), (2885, 7005328), (2915, 6933232), (3004, 6727820), (3755, 5382256), (4240, 4766597), (4616, 4378330), (4664, 4333270), (5770, 3502664), (5830, 3466616), (6008, 3363910), (6347, 3184240), (7510, 2691128), (8261, 2446480), (9232, 2189165), (9328, 2166635), (11540, 1751332), (11660, 1733308), (12016, 1681955), (12694, 1592120), (15020, 1345564), (16522, 1223240), (23080, 875666), (23320, 866654), (25388, 796060), (30040, 672782), (30581, 660880), (31735, 636848), (33044, 611620), (39803, 507760), (41305, 489296), (46160, 437833), (46640, 433327), (50776, 398030), (60080, 336391), (61162, 330440), (63470, 318424), (66088, 305810), (79606, 253880), (82610, 244648), (101552, 199015), (122324, 165220), (126940, 159212), (132176, 152905)]