20189763425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{178001}}^1$

素因数の和:178373

約数の個数: 24

約数和(自身を含む): 27038503800

約数和(自身を除く): 6848740375

約数列:

[1, 5, 13, 25, 65, 325, 349, 1745, 4537, 8725, 22685, 113425, 178001, 890005, 2314013, 4450025, 11570065, 57850325, 62122349, 310611745, 807590537, 1553058725, 4037952685, 20189763425]

約数ペア:

[(1, 20189763425), (5, 4037952685), (13, 1553058725), (25, 807590537), (65, 310611745), (325, 62122349), (349, 57850325), (1745, 11570065), (4537, 4450025), (8725, 2314013), (22685, 890005), (113425, 178001)]