20931725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 27587520

約数和(自身を除く): 6655795

約数列:

[1, 5, 23, 25, 59, 115, 295, 575, 617, 1357, 1475, 3085, 6785, 14191, 15425, 33925, 36403, 70955, 182015, 354775, 837269, 910075, 4186345, 20931725]

約数ペア:

[(1, 20931725), (5, 4186345), (23, 910075), (25, 837269), (59, 354775), (115, 182015), (295, 70955), (575, 36403), (617, 33925), (1357, 15425), (1475, 14191), (3085, 6785)]