20139260820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47950621}}^1$

素因数の和:47950640

約数の個数: 48

約数和(自身を含む): 64445635968

約数和(自身を除く): 44306375148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47950621, 95901242, 143851863, 191802484, 239753105, 287703726, 335654347, 479506210, 575407452, 671308694, 719259315, 959012420, 1006963041, 1342617388, 1438518630, 1678271735, 2013926082, 2877037260, 3356543470, 4027852164, 5034815205, 6713086940, 10069630410, 20139260820]

約数ペア:

[(1, 20139260820), (2, 10069630410), (3, 6713086940), (4, 5034815205), (5, 4027852164), (6, 3356543470), (7, 2877037260), (10, 2013926082), (12, 1678271735), (14, 1438518630), (15, 1342617388), (20, 1006963041), (21, 959012420), (28, 719259315), (30, 671308694), (35, 575407452), (42, 479506210), (60, 335654347), (70, 287703726), (84, 239753105), (105, 191802484), (140, 143851863), (210, 95901242), (420, 47950621)]