20176490868

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{140689}}^1$

素因数の和:140769

約数の個数: 96

約数和(自身を含む): 53889897600

約数和(自身を除く): 33713406732

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 37, 38, 51, 57, 68, 74, 76, 102, 111, 114, 148, 204, 222, 228, 323, 444, 629, 646, 703, 969, 1258, 1292, 1406, 1887, 1938, 2109, 2516, 2812, 3774, 3876, 4218, 7548, 8436, 11951, 23902, 35853, 47804, 71706, 140689, 143412, 281378, 422067, 562756, 844134, 1688268, 2391713, 2673091, 4783426, 5205493, 5346182, 7175139, 8019273, 9566852, 10410986, 10692364, 14350278, 15616479, 16038546, 20821972, 28700556, 31232958, 32077092, 45442547, 62465916, 88493381, 90885094, 98904367, 136327641, 176986762, 181770188, 197808734, 265480143, 272655282, 296713101, 353973524, 395617468, 530960286, 545310564, 593426202, 1061920572, 1186852404, 1681374239, 3362748478, 5044122717, 6725496956, 10088245434, 20176490868]

約数ペア:

[(1, 20176490868), (2, 10088245434), (3, 6725496956), (4, 5044122717), (6, 3362748478), (12, 1681374239), (17, 1186852404), (19, 1061920572), (34, 593426202), (37, 545310564), (38, 530960286), (51, 395617468), (57, 353973524), (68, 296713101), (74, 272655282), (76, 265480143), (102, 197808734), (111, 181770188), (114, 176986762), (148, 136327641), (204, 98904367), (222, 90885094), (228, 88493381), (323, 62465916), (444, 45442547), (629, 32077092), (646, 31232958), (703, 28700556), (969, 20821972), (1258, 16038546), (1292, 15616479), (1406, 14350278), (1887, 10692364), (1938, 10410986), (2109, 9566852), (2516, 8019273), (2812, 7175139), (3774, 5346182), (3876, 5205493), (4218, 4783426), (7548, 2673091), (8436, 2391713), (11951, 1688268), (23902, 844134), (35853, 562756), (47804, 422067), (71706, 281378), (140689, 143412)]