20622225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1627}}^1$

素因数の和:1666

約数の個数: 36

約数和(自身を含む): 36942576

約数和(自身を除く): 16320351

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1627, 2535, 4225, 4881, 8135, 12675, 21151, 24405, 40675, 63453, 105755, 122025, 274963, 317265, 528775, 824889, 1374815, 1586325, 4124445, 6874075, 20622225]

約数ペア:

[(1, 20622225), (3, 6874075), (5, 4124445), (13, 1586325), (15, 1374815), (25, 824889), (39, 528775), (65, 317265), (75, 274963), (169, 122025), (195, 105755), (325, 63453), (507, 40675), (845, 24405), (975, 21151), (1627, 12675), (2535, 8135), (4225, 4881)]