20171349268

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{38609}}^1$

素因数の和:39064

約数の個数: 48

約数和(自身を含む): 41305904640

約数和(自身を除く): 21134555372

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 397, 658, 794, 1316, 1588, 2779, 5558, 11116, 18659, 37318, 38609, 74636, 77218, 130613, 154436, 261226, 270263, 522452, 540526, 1081052, 1814623, 3629246, 7258492, 12702361, 15327773, 25404722, 30655546, 50809444, 61311092, 107294411, 214588822, 429177644, 720405331, 1440810662, 2881621324, 5042837317, 10085674634, 20171349268]

約数ペア:

[(1, 20171349268), (2, 10085674634), (4, 5042837317), (7, 2881621324), (14, 1440810662), (28, 720405331), (47, 429177644), (94, 214588822), (188, 107294411), (329, 61311092), (397, 50809444), (658, 30655546), (794, 25404722), (1316, 15327773), (1588, 12702361), (2779, 7258492), (5558, 3629246), (11116, 1814623), (18659, 1081052), (37318, 540526), (38609, 522452), (74636, 270263), (77218, 261226), (130613, 154436)]