20147646818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{621419}}^1$

素因数の和:621506

約数の個数: 32

約数和(自身を含む): 34451524800

約数和(自身を除く): 14303877982

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 754, 1118, 1247, 2494, 16211, 32422, 621419, 1242838, 8078447, 16156894, 18021151, 26721017, 36042302, 53442034, 234274963, 347373221, 468549926, 694746442, 774909493, 1549818986, 10073823409, 20147646818]

約数ペア:

[(1, 20147646818), (2, 10073823409), (13, 1549818986), (26, 774909493), (29, 694746442), (43, 468549926), (58, 347373221), (86, 234274963), (377, 53442034), (559, 36042302), (754, 26721017), (1118, 18021151), (1247, 16156894), (2494, 8078447), (16211, 1242838), (32422, 621419)]