20776406

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 16783402

約数列:

[1, 2, 7, 14, 23, 46, 113, 161, 226, 322, 571, 791, 1142, 1582, 2599, 3997, 5198, 7994, 13133, 18193, 26266, 36386, 64523, 91931, 129046, 183862, 451661, 903322, 1484029, 2968058, 10388203, 20776406]

約数ペア:

[(1, 20776406), (2, 10388203), (7, 2968058), (14, 1484029), (23, 903322), (46, 451661), (113, 183862), (161, 129046), (226, 91931), (322, 64523), (571, 36386), (791, 26266), (1142, 18193), (1582, 13133), (2599, 7994), (3997, 5198)]