20724144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 62876928

約数和(自身を除く): 42152784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1667, 1776, 2072, 3108, 3334, 4144, 5001, 6216, 6668, 10002, 11669, 12432, 13336, 20004, 23338, 26672, 35007, 40008, 46676, 61679, 70014, 80016, 93352, 123358, 140028, 185037, 186704, 246716, 280056, 370074, 431753, 493432, 560112, 740148, 863506, 986864, 1295259, 1480296, 1727012, 2590518, 2960592, 3454024, 5181036, 6908048, 10362072, 20724144]

約数ペア:

[(1, 20724144), (2, 10362072), (3, 6908048), (4, 5181036), (6, 3454024), (7, 2960592), (8, 2590518), (12, 1727012), (14, 1480296), (16, 1295259), (21, 986864), (24, 863506), (28, 740148), (37, 560112), (42, 493432), (48, 431753), (56, 370074), (74, 280056), (84, 246716), (111, 186704), (112, 185037), (148, 140028), (168, 123358), (222, 93352), (259, 80016), (296, 70014), (336, 61679), (444, 46676), (518, 40008), (592, 35007), (777, 26672), (888, 23338), (1036, 20004), (1554, 13336), (1667, 12432), (1776, 11669), (2072, 10002), (3108, 6668), (3334, 6216), (4144, 5001)]