20526540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1093}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 57710688

約数和(自身を除く): 37184148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1093, 1252, 1565, 1878, 2186, 3130, 3279, 3756, 4372, 4695, 5465, 6260, 6558, 9390, 10930, 13116, 16395, 18780, 21860, 32790, 65580, 342109, 684218, 1026327, 1368436, 1710545, 2052654, 3421090, 4105308, 5131635, 6842180, 10263270, 20526540]

約数ペア:

[(1, 20526540), (2, 10263270), (3, 6842180), (4, 5131635), (5, 4105308), (6, 3421090), (10, 2052654), (12, 1710545), (15, 1368436), (20, 1026327), (30, 684218), (60, 342109), (313, 65580), (626, 32790), (939, 21860), (1093, 18780), (1252, 16395), (1565, 13116), (1878, 10930), (2186, 9390), (3130, 6558), (3279, 6260), (3756, 5465), (4372, 4695)]