20199972436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{74597}}^1$

素因数の和:75136

約数の個数: 48

約数和(自身を含む): 42610377600

約数和(自身を除く): 22410405164

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 509, 532, 1018, 2036, 3563, 7126, 9671, 14252, 19342, 38684, 67697, 74597, 135394, 149194, 270788, 298388, 522179, 1044358, 1417343, 2088716, 2834686, 5669372, 9921401, 19842802, 37969873, 39685604, 75939746, 151879492, 265789111, 531578222, 721427587, 1063156444, 1442855174, 2885710348, 5049993109, 10099986218, 20199972436]

約数ペア:

[(1, 20199972436), (2, 10099986218), (4, 5049993109), (7, 2885710348), (14, 1442855174), (19, 1063156444), (28, 721427587), (38, 531578222), (76, 265789111), (133, 151879492), (266, 75939746), (509, 39685604), (532, 37969873), (1018, 19842802), (2036, 9921401), (3563, 5669372), (7126, 2834686), (9671, 2088716), (14252, 1417343), (19342, 1044358), (38684, 522179), (67697, 298388), (74597, 270788), (135394, 149194)]