20161136056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1\times {\mathrm{1861}}^1$

素因数の和:2420

約数の個数: 64

約数和(自身を含む): 40111948800

約数和(自身を除く): 19950812744

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 271, 526, 542, 1052, 1084, 1861, 2104, 2168, 3722, 4997, 5149, 7444, 9994, 10298, 14888, 19988, 20596, 35359, 39976, 41192, 70718, 71273, 141436, 142546, 282872, 285092, 489443, 504331, 570184, 978886, 1008662, 1354187, 1957772, 2017324, 2708374, 3915544, 4034648, 5416748, 9299417, 9582289, 10833496, 18598834, 19164578, 37197668, 38329156, 74395336, 76658312, 132639053, 265278106, 530556212, 1061112424, 2520142007, 5040284014, 10080568028, 20161136056]

約数ペア:

[(1, 20161136056), (2, 10080568028), (4, 5040284014), (8, 2520142007), (19, 1061112424), (38, 530556212), (76, 265278106), (152, 132639053), (263, 76658312), (271, 74395336), (526, 38329156), (542, 37197668), (1052, 19164578), (1084, 18598834), (1861, 10833496), (2104, 9582289), (2168, 9299417), (3722, 5416748), (4997, 4034648), (5149, 3915544), (7444, 2708374), (9994, 2017324), (10298, 1957772), (14888, 1354187), (19988, 1008662), (20596, 978886), (35359, 570184), (39976, 504331), (41192, 489443), (70718, 285092), (71273, 282872), (141436, 142546)]