20766125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 28035072

約数和(自身を除く): 7268947

約数列:

[1, 5, 23, 25, 31, 115, 125, 155, 233, 575, 713, 775, 1165, 2875, 3565, 3875, 5359, 5825, 7223, 17825, 26795, 29125, 36115, 89125, 133975, 166129, 180575, 669875, 830645, 902875, 4153225, 20766125]

約数ペア:

[(1, 20766125), (5, 4153225), (23, 902875), (25, 830645), (31, 669875), (115, 180575), (125, 166129), (155, 133975), (233, 89125), (575, 36115), (713, 29125), (775, 26795), (1165, 17825), (2875, 7223), (3565, 5825), (3875, 5359)]