20628376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1201}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 41108400

約数和(自身を除く): 20480024

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1201, 2147, 2402, 4294, 4804, 8588, 9608, 17176, 22819, 45638, 91276, 135713, 182552, 271426, 542852, 1085704, 2578547, 5157094, 10314188, 20628376]

約数ペア:

[(1, 20628376), (2, 10314188), (4, 5157094), (8, 2578547), (19, 1085704), (38, 542852), (76, 271426), (113, 182552), (152, 135713), (226, 91276), (452, 45638), (904, 22819), (1201, 17176), (2147, 9608), (2402, 8588), (4294, 4804)]