20898375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 36301824

約数和(自身を除く): 15403449

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2423, 2875, 7269, 8625, 12115, 36345, 55729, 60575, 167187, 181725, 278645, 302875, 835935, 908625, 1393225, 4179675, 6966125, 20898375]

約数ペア:

[(1, 20898375), (3, 6966125), (5, 4179675), (15, 1393225), (23, 908625), (25, 835935), (69, 302875), (75, 278645), (115, 181725), (125, 167187), (345, 60575), (375, 55729), (575, 36345), (1725, 12115), (2423, 8625), (2875, 7269)]