20806968

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1397

約数の個数: 96

約数和(自身を含む): 65212560

約数和(自身を除く): 44405592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1361, 1911, 2184, 2548, 2722, 3822, 4083, 5096, 5444, 7644, 8166, 9527, 10888, 15288, 16332, 17693, 19054, 28581, 32664, 35386, 38108, 53079, 57162, 66689, 70772, 76216, 106158, 114324, 123851, 133378, 141544, 200067, 212316, 228648, 247702, 266756, 371553, 400134, 424632, 495404, 533512, 743106, 800268, 866957, 990808, 1486212, 1600536, 1733914, 2600871, 2972424, 3467828, 5201742, 6935656, 10403484, 20806968]

約数ペア:

[(1, 20806968), (2, 10403484), (3, 6935656), (4, 5201742), (6, 3467828), (7, 2972424), (8, 2600871), (12, 1733914), (13, 1600536), (14, 1486212), (21, 990808), (24, 866957), (26, 800268), (28, 743106), (39, 533512), (42, 495404), (49, 424632), (52, 400134), (56, 371553), (78, 266756), (84, 247702), (91, 228648), (98, 212316), (104, 200067), (147, 141544), (156, 133378), (168, 123851), (182, 114324), (196, 106158), (273, 76216), (294, 70772), (312, 66689), (364, 57162), (392, 53079), (546, 38108), (588, 35386), (637, 32664), (728, 28581), (1092, 19054), (1176, 17693), (1274, 16332), (1361, 15288), (1911, 10888), (2184, 9527), (2548, 8166), (2722, 7644), (3822, 5444), (4083, 5096)]