20138946895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{7741}}^1$

素因数の和:8131

約数の個数: 32

約数和(自身を含む): 25900148736

約数和(自身を除く): 5761201841

約数列:

[1, 5, 17, 85, 127, 241, 635, 1205, 2159, 4097, 7741, 10795, 20485, 30607, 38705, 131597, 153035, 520319, 657985, 983107, 1865581, 2601595, 4915535, 9327905, 16712819, 31714877, 83564095, 158574385, 236928787, 1184643935, 4027789379, 20138946895]

約数ペア:

[(1, 20138946895), (5, 4027789379), (17, 1184643935), (85, 236928787), (127, 158574385), (241, 83564095), (635, 31714877), (1205, 16712819), (2159, 9327905), (4097, 4915535), (7741, 2601595), (10795, 1865581), (20485, 983107), (30607, 657985), (38705, 520319), (131597, 153035)]