20189305460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{33967}}^1$

素因数の和:34352

約数の個数: 48

約数和(自身を含む): 42936638976

約数和(自身を除く): 22747333516

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 263, 452, 526, 565, 1052, 1130, 1315, 2260, 2630, 5260, 29719, 33967, 59438, 67934, 118876, 135868, 148595, 169835, 297190, 339670, 594380, 679340, 3838271, 7676542, 8933321, 15353084, 17866642, 19191355, 35733284, 38382710, 44666605, 76765420, 89333210, 178666420, 1009465273, 2018930546, 4037861092, 5047326365, 10094652730, 20189305460]

約数ペア:

[(1, 20189305460), (2, 10094652730), (4, 5047326365), (5, 4037861092), (10, 2018930546), (20, 1009465273), (113, 178666420), (226, 89333210), (263, 76765420), (452, 44666605), (526, 38382710), (565, 35733284), (1052, 19191355), (1130, 17866642), (1315, 15353084), (2260, 8933321), (2630, 7676542), (5260, 3838271), (29719, 679340), (33967, 594380), (59438, 339670), (67934, 297190), (118876, 169835), (135868, 148595)]