20163978238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1\times {\mathrm{2423}}^1$

素因数の和:3960

約数の個数: 32

約数和(自身を含む): 31838095872

約数和(自身を除く): 11674117634

約数列:

[1, 2, 23, 46, 131, 262, 1381, 2423, 2762, 3013, 4846, 6026, 31763, 55729, 63526, 111458, 180911, 317413, 361822, 634826, 3346163, 4160953, 6692326, 7300499, 8321906, 14600998, 76961749, 153923498, 438347353, 876694706, 10081989119, 20163978238]

約数ペア:

[(1, 20163978238), (2, 10081989119), (23, 876694706), (46, 438347353), (131, 153923498), (262, 76961749), (1381, 14600998), (2423, 8321906), (2762, 7300499), (3013, 6692326), (4846, 4160953), (6026, 3346163), (31763, 634826), (55729, 361822), (63526, 317413), (111458, 180911)]