20178227524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4264207}}^1$

素因数の和:4264244

約数の個数: 36

約数和(自身を含む): 43699603584

約数和(自身を除く): 23521376060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 4264207, 8528414, 17056828, 29849449, 55434691, 59698898, 110869382, 119397796, 221738764, 388042837, 720650983, 776085674, 1441301966, 1552171348, 2882603932, 5044556881, 10089113762, 20178227524]

約数ペア:

[(1, 20178227524), (2, 10089113762), (4, 5044556881), (7, 2882603932), (13, 1552171348), (14, 1441301966), (26, 776085674), (28, 720650983), (52, 388042837), (91, 221738764), (169, 119397796), (182, 110869382), (338, 59698898), (364, 55434691), (676, 29849449), (1183, 17056828), (2366, 8528414), (4732, 4264207)]