20158593

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 33906432

約数和(自身を除く): 13747839

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1801, 3731, 5403, 11193, 12607, 23413, 37821, 70239, 73841, 163891, 221523, 491673, 516887, 959933, 1550661, 2879799, 6719531, 20158593]

約数ペア:

[(1, 20158593), (3, 6719531), (7, 2879799), (13, 1550661), (21, 959933), (39, 516887), (41, 491673), (91, 221523), (123, 163891), (273, 73841), (287, 70239), (533, 37821), (861, 23413), (1599, 12607), (1801, 11193), (3731, 5403)]