20862915

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^2$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 34154064

約数和(自身を除く): 13291149

約数列:

[1, 3, 5, 15, 61, 151, 183, 305, 453, 755, 915, 2265, 9211, 22801, 27633, 46055, 68403, 114005, 138165, 342015, 1390861, 4172583, 6954305, 20862915]

約数ペア:

[(1, 20862915), (3, 6954305), (5, 4172583), (15, 1390861), (61, 342015), (151, 138165), (183, 114005), (305, 68403), (453, 46055), (755, 27633), (915, 22801), (2265, 9211)]