20263518

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3529}}^1$

素因数の和:3577

約数の個数: 48

約数和(自身を含む): 49561200

約数和(自身を除く): 29297682

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 261, 319, 522, 638, 957, 1914, 2871, 3529, 5742, 7058, 10587, 21174, 31761, 38819, 63522, 77638, 102341, 116457, 204682, 232914, 307023, 349371, 614046, 698742, 921069, 1125751, 1842138, 2251502, 3377253, 6754506, 10131759, 20263518]

約数ペア:

[(1, 20263518), (2, 10131759), (3, 6754506), (6, 3377253), (9, 2251502), (11, 1842138), (18, 1125751), (22, 921069), (29, 698742), (33, 614046), (58, 349371), (66, 307023), (87, 232914), (99, 204682), (174, 116457), (198, 102341), (261, 77638), (319, 63522), (522, 38819), (638, 31761), (957, 21174), (1914, 10587), (2871, 7058), (3529, 5742)]