20797004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 37521456

約数和(自身を除く): 16724452

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 601, 844, 1202, 2404, 8651, 17302, 24641, 34604, 49282, 98564, 126811, 253622, 507244, 5199251, 10398502, 20797004]

約数ペア:

[(1, 20797004), (2, 10398502), (4, 5199251), (41, 507244), (82, 253622), (164, 126811), (211, 98564), (422, 49282), (601, 34604), (844, 24641), (1202, 17302), (2404, 8651)]