20132845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26943840

約数和(自身を除く): 6810995

約数列:

[1, 5, 17, 41, 53, 85, 109, 205, 265, 545, 697, 901, 1853, 2173, 3485, 4469, 4505, 5777, 9265, 10865, 22345, 28885, 36941, 75973, 98209, 184705, 236857, 379865, 491045, 1184285, 4026569, 20132845]

約数ペア:

[(1, 20132845), (5, 4026569), (17, 1184285), (41, 491045), (53, 379865), (85, 236857), (109, 184705), (205, 98209), (265, 75973), (545, 36941), (697, 28885), (901, 22345), (1853, 10865), (2173, 9265), (3485, 5777), (4469, 4505)]