20347812

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1453}}^1$

素因数の和:1852

約数の個数: 36

約数和(自身を含む): 51602460

約数和(自身を除く): 31254648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1453, 1556, 2334, 2906, 3501, 4359, 4668, 5812, 7002, 8718, 13077, 14004, 17436, 26154, 52308, 565217, 1130434, 1695651, 2260868, 3391302, 5086953, 6782604, 10173906, 20347812]

約数ペア:

[(1, 20347812), (2, 10173906), (3, 6782604), (4, 5086953), (6, 3391302), (9, 2260868), (12, 1695651), (18, 1130434), (36, 565217), (389, 52308), (778, 26154), (1167, 17436), (1453, 14004), (1556, 13077), (2334, 8718), (2906, 7002), (3501, 5812), (4359, 4668)]