20180365780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{433241}}^1$

素因数の和:433404

約数の個数: 48

約数和(自身を含む): 45199271376

約数和(自身を除く): 25018905596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4658, 9316, 11645, 23290, 46580, 433241, 866482, 1732964, 2166205, 4332410, 7365097, 8664820, 14730194, 29460388, 36825485, 59354017, 73650970, 118708034, 147301940, 237416068, 296770085, 593540170, 1009018289, 1187080340, 2018036578, 4036073156, 5045091445, 10090182890, 20180365780]

約数ペア:

[(1, 20180365780), (2, 10090182890), (4, 5045091445), (5, 4036073156), (10, 2018036578), (17, 1187080340), (20, 1009018289), (34, 593540170), (68, 296770085), (85, 237416068), (137, 147301940), (170, 118708034), (274, 73650970), (340, 59354017), (548, 36825485), (685, 29460388), (1370, 14730194), (2329, 8664820), (2740, 7365097), (4658, 4332410), (9316, 2166205), (11645, 1732964), (23290, 866482), (46580, 433241)]