20952425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 29206464

約数和(自身を除く): 8254039

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2803, 7475, 14015, 36439, 64469, 70075, 182195, 322345, 838097, 910975, 1611725, 4190485, 20952425]

約数ペア:

[(1, 20952425), (5, 4190485), (13, 1611725), (23, 910975), (25, 838097), (65, 322345), (115, 182195), (299, 70075), (325, 64469), (575, 36439), (1495, 14015), (2803, 7475)]