20524975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 26554352

約数和(自身を除く): 6029377

約数列:

[1, 5, 25, 43, 61, 215, 305, 313, 1075, 1525, 1565, 2623, 7825, 13115, 13459, 19093, 65575, 67295, 95465, 336475, 477325, 820999, 4104995, 20524975]

約数ペア:

[(1, 20524975), (5, 4104995), (25, 820999), (43, 477325), (61, 336475), (215, 95465), (305, 67295), (313, 65575), (1075, 19093), (1525, 13459), (1565, 13115), (2623, 7825)]