20266428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 59282944

約数和(自身を除く): 39016516

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 67, 78, 84, 91, 134, 156, 182, 201, 268, 273, 277, 364, 402, 469, 546, 554, 804, 831, 871, 938, 1092, 1108, 1407, 1662, 1742, 1876, 1939, 2613, 2814, 3324, 3484, 3601, 3878, 5226, 5628, 5817, 6097, 7202, 7756, 10452, 10803, 11634, 12194, 14404, 18291, 18559, 21606, 23268, 24388, 25207, 36582, 37118, 43212, 50414, 55677, 73164, 74236, 75621, 100828, 111354, 129913, 151242, 222708, 241267, 259826, 302484, 389739, 482534, 519652, 723801, 779478, 965068, 1447602, 1558956, 1688869, 2895204, 3377738, 5066607, 6755476, 10133214, 20266428]

約数ペア:

[(1, 20266428), (2, 10133214), (3, 6755476), (4, 5066607), (6, 3377738), (7, 2895204), (12, 1688869), (13, 1558956), (14, 1447602), (21, 965068), (26, 779478), (28, 723801), (39, 519652), (42, 482534), (52, 389739), (67, 302484), (78, 259826), (84, 241267), (91, 222708), (134, 151242), (156, 129913), (182, 111354), (201, 100828), (268, 75621), (273, 74236), (277, 73164), (364, 55677), (402, 50414), (469, 43212), (546, 37118), (554, 36582), (804, 25207), (831, 24388), (871, 23268), (938, 21606), (1092, 18559), (1108, 18291), (1407, 14404), (1662, 12194), (1742, 11634), (1876, 10803), (1939, 10452), (2613, 7756), (2814, 7202), (3324, 6097), (3484, 5817), (3601, 5628), (3878, 5226)]