20139089620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1061069}}^1$

素因数の和:1061164

約数の個数: 48

約数和(自身を含む): 46169277840

約数和(自身を除く): 26030188220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 1061069, 2122138, 4244276, 5305345, 10610690, 13793897, 21221380, 27587794, 55175588, 68969485, 77458037, 137938970, 154916074, 275877940, 309832148, 387290185, 774580370, 1006954481, 1549160740, 2013908962, 4027817924, 5034772405, 10069544810, 20139089620]

約数ペア:

[(1, 20139089620), (2, 10069544810), (4, 5034772405), (5, 4027817924), (10, 2013908962), (13, 1549160740), (20, 1006954481), (26, 774580370), (52, 387290185), (65, 309832148), (73, 275877940), (130, 154916074), (146, 137938970), (260, 77458037), (292, 68969485), (365, 55175588), (730, 27587794), (949, 21221380), (1460, 13793897), (1898, 10610690), (3796, 5305345), (4745, 4244276), (9490, 2122138), (18980, 1061069)]