20410440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2246

約数の個数: 64

約数和(自身を含む): 62035200

約数和(自身を除く): 41624760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2153, 2370, 3160, 4306, 4740, 6459, 8612, 9480, 10765, 12918, 17224, 21530, 25836, 32295, 43060, 51672, 64590, 86120, 129180, 170087, 258360, 340174, 510261, 680348, 850435, 1020522, 1360696, 1700870, 2041044, 2551305, 3401740, 4082088, 5102610, 6803480, 10205220, 20410440]

約数ペア:

[(1, 20410440), (2, 10205220), (3, 6803480), (4, 5102610), (5, 4082088), (6, 3401740), (8, 2551305), (10, 2041044), (12, 1700870), (15, 1360696), (20, 1020522), (24, 850435), (30, 680348), (40, 510261), (60, 340174), (79, 258360), (120, 170087), (158, 129180), (237, 86120), (316, 64590), (395, 51672), (474, 43060), (632, 32295), (790, 25836), (948, 21530), (1185, 17224), (1580, 12918), (1896, 10765), (2153, 9480), (2370, 8612), (3160, 6459), (4306, 4740)]