20414925

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2270

約数の個数: 36

約数和(自身を含む): 37474164

約数和(自身を除く): 17059239

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2213, 3075, 6639, 9225, 11065, 19917, 33195, 55325, 90733, 99585, 165975, 272199, 453665, 497925, 816597, 1360995, 2268325, 4082985, 6804975, 20414925]

約数ペア:

[(1, 20414925), (3, 6804975), (5, 4082985), (9, 2268325), (15, 1360995), (25, 816597), (41, 497925), (45, 453665), (75, 272199), (123, 165975), (205, 99585), (225, 90733), (369, 55325), (615, 33195), (1025, 19917), (1845, 11065), (2213, 9225), (3075, 6639)]