20607535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 27897408

約数和(自身を除く): 7289873

約数列:

[1, 5, 13, 43, 65, 73, 101, 215, 365, 505, 559, 949, 1313, 2795, 3139, 4343, 4745, 6565, 7373, 15695, 21715, 36865, 40807, 56459, 95849, 204035, 282295, 317039, 479245, 1585195, 4121507, 20607535]

約数ペア:

[(1, 20607535), (5, 4121507), (13, 1585195), (43, 479245), (65, 317039), (73, 282295), (101, 204035), (215, 95849), (365, 56459), (505, 40807), (559, 36865), (949, 21715), (1313, 15695), (2795, 7373), (3139, 6565), (4343, 4745)]