20794605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 36099840

約数和(自身を除く): 15305235

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 631, 845, 1893, 2197, 2535, 3155, 6591, 8203, 9465, 10985, 24609, 32955, 41015, 106639, 123045, 319917, 533195, 1386307, 1599585, 4158921, 6931535, 20794605]

約数ペア:

[(1, 20794605), (3, 6931535), (5, 4158921), (13, 1599585), (15, 1386307), (39, 533195), (65, 319917), (169, 123045), (195, 106639), (507, 41015), (631, 32955), (845, 24609), (1893, 10985), (2197, 9465), (2535, 8203), (3155, 6591)]