20804948402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{149911}}^1$

素因数の和:150374

約数の個数: 32

約数和(自身を含む): 37302902784

約数和(自身を除く): 16497954382

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 431, 862, 3017, 6034, 9913, 19826, 69391, 138782, 149911, 299822, 1049377, 2098754, 3447953, 6895906, 24135671, 48271342, 64611641, 129223282, 452281487, 904562974, 1486067743, 2972135486, 10402474201, 20804948402]

約数ペア:

[(1, 20804948402), (2, 10402474201), (7, 2972135486), (14, 1486067743), (23, 904562974), (46, 452281487), (161, 129223282), (322, 64611641), (431, 48271342), (862, 24135671), (3017, 6895906), (6034, 3447953), (9913, 2098754), (19826, 1049377), (69391, 299822), (138782, 149911)]