20943928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{607}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 41587200

約数和(自身を除く): 20643272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 607, 908, 1214, 1816, 2428, 4313, 4856, 8626, 11533, 17252, 23066, 34504, 46132, 92264, 137789, 275578, 551156, 1102312, 2617991, 5235982, 10471964, 20943928]

約数ペア:

[(1, 20943928), (2, 10471964), (4, 5235982), (8, 2617991), (19, 1102312), (38, 551156), (76, 275578), (152, 137789), (227, 92264), (454, 46132), (607, 34504), (908, 23066), (1214, 17252), (1816, 11533), (2428, 8626), (4313, 4856)]