20148525

素因数分解:

$3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:766

約数の個数: 36

約数和(自身を含む): 36390900

約数和(自身を除く): 16242375

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 149, 225, 447, 601, 745, 1341, 1803, 2235, 3005, 3725, 5409, 6705, 9015, 11175, 15025, 27045, 33525, 45075, 89549, 135225, 268647, 447745, 805941, 1343235, 2238725, 4029705, 6716175, 20148525]

約数ペア:

[(1, 20148525), (3, 6716175), (5, 4029705), (9, 2238725), (15, 1343235), (25, 805941), (45, 447745), (75, 268647), (149, 135225), (225, 89549), (447, 45075), (601, 33525), (745, 27045), (1341, 15025), (1803, 11175), (2235, 9015), (3005, 6705), (3725, 5409)]