20553375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2383}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 35702784

約数和(自身を除く): 15149409

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2383, 2875, 7149, 8625, 11915, 35745, 54809, 59575, 164427, 178725, 274045, 297875, 822135, 893625, 1370225, 4110675, 6851125, 20553375]

約数ペア:

[(1, 20553375), (3, 6851125), (5, 4110675), (15, 1370225), (23, 893625), (25, 822135), (69, 297875), (75, 274045), (115, 178725), (125, 164427), (345, 59575), (375, 54809), (575, 35745), (1725, 11915), (2383, 8625), (2875, 7149)]