20100376772

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{64609}}^1$

素因数の和:64932

約数の個数: 48

約数和(自身を含む): 41333859840

約数和(自身を除く): 21233483068

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 271, 287, 542, 574, 1084, 1148, 1897, 3794, 7588, 11111, 22222, 44444, 64609, 77777, 129218, 155554, 258436, 311108, 452263, 904526, 1809052, 2648969, 5297938, 10595876, 17509039, 18542783, 35018078, 37085566, 70036156, 74171132, 122563273, 245126546, 490253092, 717870599, 1435741198, 2871482396, 5025094193, 10050188386, 20100376772]

約数ペア:

[(1, 20100376772), (2, 10050188386), (4, 5025094193), (7, 2871482396), (14, 1435741198), (28, 717870599), (41, 490253092), (82, 245126546), (164, 122563273), (271, 74171132), (287, 70036156), (542, 37085566), (574, 35018078), (1084, 18542783), (1148, 17509039), (1897, 10595876), (3794, 5297938), (7588, 2648969), (11111, 1809052), (22222, 904526), (44444, 452263), (64609, 311108), (77777, 258436), (129218, 155554)]