20176983475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{306991}}^1$

素因数の和:307251

約数の個数: 24

約数和(自身を含む): 27408245760

約数和(自身を除く): 7231262285

約数列:

[1, 5, 11, 25, 55, 239, 275, 1195, 2629, 5975, 13145, 65725, 306991, 1534955, 3376901, 7674775, 16884505, 73370849, 84422525, 366854245, 807079339, 1834271225, 4035396695, 20176983475]

約数ペア:

[(1, 20176983475), (5, 4035396695), (11, 1834271225), (25, 807079339), (55, 366854245), (239, 84422525), (275, 73370849), (1195, 16884505), (2629, 7674775), (5975, 3376901), (13145, 1534955), (65725, 306991)]