20850578

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1706

約数の個数: 24

約数和(自身を含む): 36671292

約数和(自身を除く): 15820714

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1553, 1918, 3106, 6713, 10871, 13426, 21742, 76097, 152194, 212761, 425522, 1489327, 2978654, 10425289, 20850578]

約数ペア:

[(1, 20850578), (2, 10425289), (7, 2978654), (14, 1489327), (49, 425522), (98, 212761), (137, 152194), (274, 76097), (959, 21742), (1553, 13426), (1918, 10871), (3106, 6713)]