12622020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 35544768

約数和(自身を除く): 22922748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 997, 1055, 1266, 1994, 2110, 2532, 2991, 3165, 3988, 4220, 4985, 5982, 6330, 9970, 11964, 12660, 14955, 19940, 29910, 59820, 210367, 420734, 631101, 841468, 1051835, 1262202, 2103670, 2524404, 3155505, 4207340, 6311010, 12622020]

約数ペア:

[(1, 12622020), (2, 6311010), (3, 4207340), (4, 3155505), (5, 2524404), (6, 2103670), (10, 1262202), (12, 1051835), (15, 841468), (20, 631101), (30, 420734), (60, 210367), (211, 59820), (422, 29910), (633, 19940), (844, 14955), (997, 12660), (1055, 11964), (1266, 9970), (1994, 6330), (2110, 5982), (2532, 4985), (2991, 4220), (3165, 3988)]