20515132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6959}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 19240388

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6959, 13918, 27836, 76549, 153098, 306196, 466253, 932506, 1865012, 5128783, 10257566, 20515132]

約数ペア:

[(1, 20515132), (2, 10257566), (4, 5128783), (11, 1865012), (22, 932506), (44, 466253), (67, 306196), (134, 153098), (268, 76549), (737, 27836), (1474, 13918), (2948, 6959)]