20868806

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 16931194

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 1049, 1421, 2098, 2842, 7343, 9947, 14686, 19894, 30421, 51401, 60842, 102802, 212947, 359807, 425894, 719614, 1490629, 2981258, 10434403, 20868806]

約数ペア:

[(1, 20868806), (2, 10434403), (7, 2981258), (14, 1490629), (29, 719614), (49, 425894), (58, 359807), (98, 212947), (203, 102802), (343, 60842), (406, 51401), (686, 30421), (1049, 19894), (1421, 14686), (2098, 9947), (2842, 7343)]