20770108

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 37679040

約数和(自身を除く): 16908932

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1423, 2846, 3649, 5692, 7298, 14596, 58343, 116686, 126647, 233372, 253294, 506588, 5192527, 10385054, 20770108]

約数ペア:

[(1, 20770108), (2, 10385054), (4, 5192527), (41, 506588), (82, 253294), (89, 233372), (164, 126647), (178, 116686), (356, 58343), (1423, 14596), (2846, 7298), (3649, 5692)]