20117762728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{503851}}^1$

素因数の和:503918

約数の個数: 64

約数和(自身を含む): 46435000320

約数和(自身を除く): 26317237592

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 644, 713, 868, 1288, 1426, 1736, 2852, 4991, 5704, 9982, 19964, 39928, 503851, 1007702, 2015404, 3526957, 4030808, 7053914, 11588573, 14107828, 15619381, 23177146, 28215656, 31238762, 46354292, 62477524, 81120011, 92708584, 109335667, 124955048, 162240022, 218671334, 324480044, 359245763, 437342668, 648960088, 718491526, 874685336, 1436983052, 2514720341, 2873966104, 5029440682, 10058881364, 20117762728]

約数ペア:

[(1, 20117762728), (2, 10058881364), (4, 5029440682), (7, 2873966104), (8, 2514720341), (14, 1436983052), (23, 874685336), (28, 718491526), (31, 648960088), (46, 437342668), (56, 359245763), (62, 324480044), (92, 218671334), (124, 162240022), (161, 124955048), (184, 109335667), (217, 92708584), (248, 81120011), (322, 62477524), (434, 46354292), (644, 31238762), (713, 28215656), (868, 23177146), (1288, 15619381), (1426, 14107828), (1736, 11588573), (2852, 7053914), (4991, 4030808), (5704, 3526957), (9982, 2015404), (19964, 1007702), (39928, 503851)]