20326963928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{1621}}^1\times {\mathrm{38231}}^1$

素因数の和:39899

約数の個数: 32

約数和(自身を含む): 39067751520

約数和(自身を除く): 18740787592

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1621, 3242, 6484, 12968, 38231, 66461, 76462, 132922, 152924, 265844, 305848, 531688, 1567471, 3134942, 6269884, 12539768, 61972451, 123944902, 247889804, 495779608, 2540870491, 5081740982, 10163481964, 20326963928]

約数ペア:

[(1, 20326963928), (2, 10163481964), (4, 5081740982), (8, 2540870491), (41, 495779608), (82, 247889804), (164, 123944902), (328, 61972451), (1621, 12539768), (3242, 6269884), (6484, 3134942), (12968, 1567471), (38231, 531688), (66461, 305848), (76462, 265844), (132922, 152924)]