2020395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 3504816

約数和(自身を除く): 1484421

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 797, 845, 2391, 2535, 3985, 10361, 11955, 31083, 51805, 134693, 155415, 404079, 673465, 2020395]

約数ペア:

[(1, 2020395), (3, 673465), (5, 404079), (13, 155415), (15, 134693), (39, 51805), (65, 31083), (169, 11955), (195, 10361), (507, 3985), (797, 2535), (845, 2391)]