20922325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 28926720

約数和(自身を除く): 8004395

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2591, 8075, 12955, 44047, 49229, 64775, 220235, 246145, 836893, 1101175, 1230725, 4184465, 20922325]

約数ペア:

[(1, 20922325), (5, 4184465), (17, 1230725), (19, 1101175), (25, 836893), (85, 246145), (95, 220235), (323, 64775), (425, 49229), (475, 44047), (1615, 12955), (2591, 8075)]