20732025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 36489728

約数和(自身を除く): 15757703

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 185, 241, 465, 555, 723, 775, 925, 1147, 1205, 2325, 2775, 3441, 3615, 5735, 6025, 7471, 8917, 17205, 18075, 22413, 26751, 28675, 37355, 44585, 86025, 112065, 133755, 186775, 222925, 276427, 560325, 668775, 829281, 1382135, 4146405, 6910675, 20732025]

約数ペア:

[(1, 20732025), (3, 6910675), (5, 4146405), (15, 1382135), (25, 829281), (31, 668775), (37, 560325), (75, 276427), (93, 222925), (111, 186775), (155, 133755), (185, 112065), (241, 86025), (465, 44585), (555, 37355), (723, 28675), (775, 26751), (925, 22413), (1147, 18075), (1205, 17205), (2325, 8917), (2775, 7471), (3441, 6025), (3615, 5735)]