20052620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 49260288

約数和(自身を除く): 29207668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3331, 6020, 6662, 13324, 16655, 23317, 33310, 46634, 66620, 93268, 116585, 143233, 233170, 286466, 466340, 572932, 716165, 1002631, 1432330, 2005262, 2864660, 4010524, 5013155, 10026310, 20052620]

約数ペア:

[(1, 20052620), (2, 10026310), (4, 5013155), (5, 4010524), (7, 2864660), (10, 2005262), (14, 1432330), (20, 1002631), (28, 716165), (35, 572932), (43, 466340), (70, 286466), (86, 233170), (140, 143233), (172, 116585), (215, 93268), (301, 66620), (430, 46634), (602, 33310), (860, 23317), (1204, 16655), (1505, 13324), (3010, 6662), (3331, 6020)]