20984398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5693}}^1$

素因数の和:5811

約数の個数: 16

約数和(自身を含む): 33480720

約数和(自身を除く): 12496322

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5693, 11386, 108167, 216334, 552221, 1104442, 10492199, 20984398]

約数ペア:

[(1, 20984398), (2, 10492199), (19, 1104442), (38, 552221), (97, 216334), (194, 108167), (1843, 11386), (3686, 5693)]