20809929430

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1993}}^1\times {\mathrm{2357}}^1$

素因数の和:4800

約数の個数: 32

約数和(自身を含む): 37577201184

約数和(自身を除く): 16767271754

約数列:

[1, 2, 5, 10, 443, 886, 1993, 2215, 2357, 3986, 4430, 4714, 9965, 11785, 19930, 23570, 882899, 1044151, 1765798, 2088302, 4414495, 4697501, 5220755, 8828990, 9395002, 10441510, 23487505, 46975010, 2080992943, 4161985886, 10404964715, 20809929430]

約数ペア:

[(1, 20809929430), (2, 10404964715), (5, 4161985886), (10, 2080992943), (443, 46975010), (886, 23487505), (1993, 10441510), (2215, 9395002), (2357, 8828990), (3986, 5220755), (4430, 4697501), (4714, 4414495), (9965, 2088302), (11785, 1765798), (19930, 1044151), (23570, 882899)]