20076750740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1\times {\mathrm{18691}}^1$

素因数の和:19992

約数の個数: 48

約数和(自身を含む): 43178520000

約数和(自身を除く): 23101769260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1249, 2498, 4996, 6245, 12490, 18691, 24980, 37382, 53707, 74764, 93455, 107414, 186910, 214828, 268535, 373820, 537070, 803713, 1074140, 1607426, 3214852, 4018565, 8037130, 16074260, 23345059, 46690118, 93380236, 116725295, 233450590, 466901180, 1003837537, 2007675074, 4015350148, 5019187685, 10038375370, 20076750740]

約数ペア:

[(1, 20076750740), (2, 10038375370), (4, 5019187685), (5, 4015350148), (10, 2007675074), (20, 1003837537), (43, 466901180), (86, 233450590), (172, 116725295), (215, 93380236), (430, 46690118), (860, 23345059), (1249, 16074260), (2498, 8037130), (4996, 4018565), (6245, 3214852), (12490, 1607426), (18691, 1074140), (24980, 803713), (37382, 537070), (53707, 373820), (74764, 268535), (93455, 214828), (107414, 186910)]