20144655

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23561}}^1$

素因数の和:23591

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 16612065

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23561, 70683, 117805, 212049, 353415, 447659, 1060245, 1342977, 2238295, 4028931, 6714885, 20144655]

約数ペア:

[(1, 20144655), (3, 6714885), (5, 4028931), (9, 2238295), (15, 1342977), (19, 1060245), (45, 447659), (57, 353415), (95, 212049), (171, 117805), (285, 70683), (855, 23561)]