20805902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6301}}^1$

素因数の和:6443

約数の個数: 16

約数和(自身を含む): 33879552

約数和(自身を除く): 13073650

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6301, 12602, 81913, 163826, 800227, 1600454, 10402951, 20805902]

約数ペア:

[(1, 20805902), (2, 10402951), (13, 1600454), (26, 800227), (127, 163826), (254, 81913), (1651, 12602), (3302, 6301)]