20863818

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4484

約数の個数: 40

約数和(自身を含む): 48373380

約数和(自身を除く): 27509562

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 4441, 4698, 8882, 13323, 26646, 39969, 79938, 119907, 128789, 239814, 257578, 359721, 386367, 719442, 772734, 1159101, 2318202, 3477303, 6954606, 10431909, 20863818]

約数ペア:

[(1, 20863818), (2, 10431909), (3, 6954606), (6, 3477303), (9, 2318202), (18, 1159101), (27, 772734), (29, 719442), (54, 386367), (58, 359721), (81, 257578), (87, 239814), (162, 128789), (174, 119907), (261, 79938), (522, 39969), (783, 26646), (1566, 13323), (2349, 8882), (4441, 4698)]