20530725

素因数分解:

$3^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{599}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 34075200

約数和(自身を除く): 13544475

約数列:

[1, 3, 5, 15, 25, 75, 457, 599, 1371, 1797, 2285, 2995, 6855, 8985, 11425, 14975, 34275, 44925, 273743, 821229, 1368715, 4106145, 6843575, 20530725]

約数ペア:

[(1, 20530725), (3, 6843575), (5, 4106145), (15, 1368715), (25, 821229), (75, 273743), (457, 44925), (599, 34275), (1371, 14975), (1797, 11425), (2285, 8985), (2995, 6855)]