20346075

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2964

約数の個数: 36

約数和(自身を含む): 37630528

約数和(自身を除く): 17284453

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2917, 6975, 8751, 14585, 26253, 43755, 72925, 90427, 131265, 218775, 271281, 452135, 656325, 813843, 1356405, 2260675, 4069215, 6782025, 20346075]

約数ペア:

[(1, 20346075), (3, 6782025), (5, 4069215), (9, 2260675), (15, 1356405), (25, 813843), (31, 656325), (45, 452135), (75, 271281), (93, 218775), (155, 131265), (225, 90427), (279, 72925), (465, 43755), (775, 26253), (1395, 14585), (2325, 8751), (2917, 6975)]