15520220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26759}}^1$

素因数の和:26797

約数の個数: 24

約数和(自身を含む): 33717600

約数和(自身を除く): 18197380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 26759, 53518, 107036, 133795, 267590, 535180, 776011, 1552022, 3104044, 3880055, 7760110, 15520220]

約数ペア:

[(1, 15520220), (2, 7760110), (4, 3880055), (5, 3104044), (10, 1552022), (20, 776011), (29, 535180), (58, 267590), (116, 133795), (145, 107036), (290, 53518), (580, 26759)]