20063876

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 43247232

約数和(自身を除く): 23183356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 691, 854, 1037, 1382, 1708, 2074, 2764, 4148, 4837, 7259, 9674, 11747, 14518, 19348, 23494, 29036, 42151, 46988, 82229, 84302, 164458, 168604, 295057, 328916, 590114, 716567, 1180228, 1433134, 2866268, 5015969, 10031938, 20063876]

約数ペア:

[(1, 20063876), (2, 10031938), (4, 5015969), (7, 2866268), (14, 1433134), (17, 1180228), (28, 716567), (34, 590114), (61, 328916), (68, 295057), (119, 168604), (122, 164458), (238, 84302), (244, 82229), (427, 46988), (476, 42151), (691, 29036), (854, 23494), (1037, 19348), (1382, 14518), (1708, 11747), (2074, 9674), (2764, 7259), (4148, 4837)]