20799475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 27400032

約数和(自身を除く): 6600557

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 593, 1403, 1525, 2965, 7015, 13639, 14825, 35075, 36173, 68195, 180865, 340975, 831979, 904325, 4159895, 20799475]

約数ペア:

[(1, 20799475), (5, 4159895), (23, 904325), (25, 831979), (61, 340975), (115, 180865), (305, 68195), (575, 36173), (593, 35075), (1403, 14825), (1525, 13639), (2965, 7015)]