20451075

素因数分解:

$3^1\times 5^2\times {\mathrm{367}}^1\times {\mathrm{743}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 33950208

約数和(自身を除く): 13499133

約数列:

[1, 3, 5, 15, 25, 75, 367, 743, 1101, 1835, 2229, 3715, 5505, 9175, 11145, 18575, 27525, 55725, 272681, 818043, 1363405, 4090215, 6817025, 20451075]

約数ペア:

[(1, 20451075), (3, 6817025), (5, 4090215), (15, 1363405), (25, 818043), (75, 272681), (367, 55725), (743, 27525), (1101, 18575), (1835, 11145), (2229, 9175), (3715, 5505)]