20452341

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3985

約数の個数: 32

約数和(自身を含む): 35338240

約数和(自身を除く): 14885899

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3943, 5187, 11829, 27601, 51259, 74917, 82803, 153777, 224751, 358813, 524419, 973921, 1076439, 1573257, 2921763, 6817447, 20452341]

約数ペア:

[(1, 20452341), (3, 6817447), (7, 2921763), (13, 1573257), (19, 1076439), (21, 973921), (39, 524419), (57, 358813), (91, 224751), (133, 153777), (247, 82803), (273, 74917), (399, 51259), (741, 27601), (1729, 11829), (3943, 5187)]