20651325

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 34322208

約数和(自身を除く): 13670883

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 1135, 1213, 3405, 3639, 5675, 6065, 17025, 18195, 30325, 90975, 275351, 826053, 1376755, 4130265, 6883775, 20651325]

約数ペア:

[(1, 20651325), (3, 6883775), (5, 4130265), (15, 1376755), (25, 826053), (75, 275351), (227, 90975), (681, 30325), (1135, 18195), (1213, 17025), (3405, 6065), (3639, 5675)]