20449875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2412

約数の個数: 32

約数和(自身を含む): 35523072

約数和(自身を除く): 15073197

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2371, 2875, 7113, 8625, 11855, 35565, 54533, 59275, 163599, 177825, 272665, 296375, 817995, 889125, 1363325, 4089975, 6816625, 20449875]

約数ペア:

[(1, 20449875), (3, 6816625), (5, 4089975), (15, 1363325), (23, 889125), (25, 817995), (69, 296375), (75, 272665), (115, 177825), (125, 163599), (345, 59275), (375, 54533), (575, 35565), (1725, 11855), (2371, 8625), (2875, 7113)]