20328375

素因数分解:

$3^1\times 5^3\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 13816905

約数列:

[1, 3, 5, 15, 25, 75, 125, 151, 359, 375, 453, 755, 1077, 1795, 2265, 3775, 5385, 8975, 11325, 18875, 26925, 44875, 54209, 56625, 134625, 162627, 271045, 813135, 1355225, 4065675, 6776125, 20328375]

約数ペア:

[(1, 20328375), (3, 6776125), (5, 4065675), (15, 1355225), (25, 813135), (75, 271045), (125, 162627), (151, 134625), (359, 56625), (375, 54209), (453, 44875), (755, 26925), (1077, 18875), (1795, 11325), (2265, 8975), (3775, 5385)]