20159692816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{77743}}^1$

素因数の和:78623

約数の個数: 40

約数和(自身を含む): 41163893120

約数和(自身を除く): 21004200304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 853, 1706, 3412, 6824, 13648, 16207, 32414, 64828, 77743, 129656, 155486, 259312, 310972, 621944, 1243888, 1477117, 2954234, 5908468, 11816936, 23633872, 66314779, 132629558, 265259116, 530518232, 1061036464, 1259980801, 2519961602, 5039923204, 10079846408, 20159692816]

約数ペア:

[(1, 20159692816), (2, 10079846408), (4, 5039923204), (8, 2519961602), (16, 1259980801), (19, 1061036464), (38, 530518232), (76, 265259116), (152, 132629558), (304, 66314779), (853, 23633872), (1706, 11816936), (3412, 5908468), (6824, 2954234), (13648, 1477117), (16207, 1243888), (32414, 621944), (64828, 310972), (77743, 259312), (129656, 155486)]