20912632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 42472080

約数和(自身を除く): 21559448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 953, 1688, 1906, 2743, 3812, 5486, 7624, 10972, 12389, 21944, 24778, 49556, 99112, 201083, 402166, 804332, 1608664, 2614079, 5228158, 10456316, 20912632]

約数ペア:

[(1, 20912632), (2, 10456316), (4, 5228158), (8, 2614079), (13, 1608664), (26, 804332), (52, 402166), (104, 201083), (211, 99112), (422, 49556), (844, 24778), (953, 21944), (1688, 12389), (1906, 10972), (2743, 7624), (3812, 5486)]