20826675

素因数分解:

$3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:780

約数の個数: 36

約数和(自身を含む): 37611184

約数和(自身を除く): 16784509

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 151, 225, 453, 613, 755, 1359, 1839, 2265, 3065, 3775, 5517, 6795, 9195, 11325, 15325, 27585, 33975, 45975, 92563, 137925, 277689, 462815, 833067, 1388445, 2314075, 4165335, 6942225, 20826675]

約数ペア:

[(1, 20826675), (3, 6942225), (5, 4165335), (9, 2314075), (15, 1388445), (25, 833067), (45, 462815), (75, 277689), (151, 137925), (225, 92563), (453, 45975), (613, 33975), (755, 27585), (1359, 15325), (1839, 11325), (2265, 9195), (3065, 6795), (3775, 5517)]