20681799228

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{711889}}^1$

素因数の和:712171

約数の個数: 48

約数和(自身を含む): 53818884000

約数和(自身を除く): 33137084772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 807, 1076, 1614, 2421, 3228, 4842, 7263, 9684, 14526, 29052, 711889, 1423778, 2135667, 2847556, 4271334, 6407001, 8542668, 12814002, 19221003, 25628004, 38442006, 76884012, 191498141, 382996282, 574494423, 765992564, 1148988846, 1723483269, 2297977692, 3446966538, 5170449807, 6893933076, 10340899614, 20681799228]

約数ペア:

[(1, 20681799228), (2, 10340899614), (3, 6893933076), (4, 5170449807), (6, 3446966538), (9, 2297977692), (12, 1723483269), (18, 1148988846), (27, 765992564), (36, 574494423), (54, 382996282), (108, 191498141), (269, 76884012), (538, 38442006), (807, 25628004), (1076, 19221003), (1614, 12814002), (2421, 8542668), (3228, 6407001), (4842, 4271334), (7263, 2847556), (9684, 2135667), (14526, 1423778), (29052, 711889)]