20254470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31723770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 87, 93, 145, 155, 174, 186, 290, 310, 435, 465, 751, 870, 899, 930, 1502, 1798, 2253, 2697, 3755, 4495, 4506, 5394, 7510, 8990, 11265, 13485, 21779, 22530, 23281, 26970, 43558, 46562, 65337, 69843, 108895, 116405, 130674, 139686, 217790, 232810, 326685, 349215, 653370, 675149, 698430, 1350298, 2025447, 3375745, 4050894, 6751490, 10127235, 20254470]

約数ペア:

[(1, 20254470), (2, 10127235), (3, 6751490), (5, 4050894), (6, 3375745), (10, 2025447), (15, 1350298), (29, 698430), (30, 675149), (31, 653370), (58, 349215), (62, 326685), (87, 232810), (93, 217790), (145, 139686), (155, 130674), (174, 116405), (186, 108895), (290, 69843), (310, 65337), (435, 46562), (465, 43558), (751, 26970), (870, 23281), (899, 22530), (930, 21779), (1502, 13485), (1798, 11265), (2253, 8990), (2697, 7510), (3755, 5394), (4495, 4506)]