20245160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38933}}^1$

素因数の和:38957

約数の個数: 32

約数和(自身を含む): 49056840

約数和(自身を除く): 28811680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38933, 77866, 155732, 194665, 311464, 389330, 506129, 778660, 1012258, 1557320, 2024516, 2530645, 4049032, 5061290, 10122580, 20245160]

約数ペア:

[(1, 20245160), (2, 10122580), (4, 5061290), (5, 4049032), (8, 2530645), (10, 2024516), (13, 1557320), (20, 1012258), (26, 778660), (40, 506129), (52, 389330), (65, 311464), (104, 194665), (130, 155732), (260, 77866), (520, 38933)]