20657103678

素因数分解:

$2^1\times 3^3\times {\mathrm{2309}}^1\times {\mathrm{165673}}^1$

素因数の和:167993

約数の個数: 32

約数和(自身を含む): 45924832800

約数和(自身を除く): 25267729122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2309, 4618, 6927, 13854, 20781, 41562, 62343, 124686, 165673, 331346, 497019, 994038, 1491057, 2982114, 4473171, 8946342, 382538957, 765077914, 1147616871, 2295233742, 3442850613, 6885701226, 10328551839, 20657103678]

約数ペア:

[(1, 20657103678), (2, 10328551839), (3, 6885701226), (6, 3442850613), (9, 2295233742), (18, 1147616871), (27, 765077914), (54, 382538957), (2309, 8946342), (4618, 4473171), (6927, 2982114), (13854, 1491057), (20781, 994038), (41562, 497019), (62343, 331346), (124686, 165673)]