20187845356

素因数分解:

$2^2\times 7^3\times {\mathrm{163}}^1\times {\mathrm{90271}}^1$

素因数の和:90459

約数の個数: 48

約数和(自身を含む): 41452902400

約数和(自身を除く): 21265057044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 343, 652, 686, 1141, 1372, 2282, 4564, 7987, 15974, 31948, 55909, 90271, 111818, 180542, 223636, 361084, 631897, 1263794, 2527588, 4423279, 8846558, 14714173, 17693116, 29428346, 30962953, 58856692, 61925906, 102999211, 123851812, 205998422, 411996844, 720994477, 1441988954, 2883977908, 5046961339, 10093922678, 20187845356]

約数ペア:

[(1, 20187845356), (2, 10093922678), (4, 5046961339), (7, 2883977908), (14, 1441988954), (28, 720994477), (49, 411996844), (98, 205998422), (163, 123851812), (196, 102999211), (326, 61925906), (343, 58856692), (652, 30962953), (686, 29428346), (1141, 17693116), (1372, 14714173), (2282, 8846558), (4564, 4423279), (7987, 2527588), (15974, 1263794), (31948, 631897), (55909, 361084), (90271, 223636), (111818, 180542)]