20552225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 27474432

約数和(自身を除く): 6922207

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1153, 3565, 5765, 17825, 26519, 28825, 35743, 132595, 178715, 662975, 822089, 893575, 4110445, 20552225]

約数ペア:

[(1, 20552225), (5, 4110445), (23, 893575), (25, 822089), (31, 662975), (115, 178715), (155, 132595), (575, 35743), (713, 28825), (775, 26519), (1153, 17825), (3565, 5765)]