20197896

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 50640000

約数和(自身を除く): 30442104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 1999, 2526, 3368, 3998, 5052, 5997, 7996, 10104, 11994, 15992, 23988, 47976, 841579, 1683158, 2524737, 3366316, 5049474, 6732632, 10098948, 20197896]

約数ペア:

[(1, 20197896), (2, 10098948), (3, 6732632), (4, 5049474), (6, 3366316), (8, 2524737), (12, 1683158), (24, 841579), (421, 47976), (842, 23988), (1263, 15992), (1684, 11994), (1999, 10104), (2526, 7996), (3368, 5997), (3998, 5052)]