20945626608

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{65629}}^1$

素因数の和:65810

約数の個数: 80

約数和(自身を含む): 55501978400

約数和(自身を除く): 34556351792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 109, 122, 183, 218, 244, 327, 366, 436, 488, 654, 732, 872, 976, 1308, 1464, 1744, 2616, 2928, 5232, 6649, 13298, 19947, 26596, 39894, 53192, 65629, 79788, 106384, 131258, 159576, 196887, 262516, 319152, 393774, 525032, 787548, 1050064, 1575096, 3150192, 4003369, 7153561, 8006738, 12010107, 14307122, 16013476, 21460683, 24020214, 28614244, 32026952, 42921366, 48040428, 57228488, 64053904, 85842732, 96080856, 114456976, 171685464, 192161712, 343370928, 436367221, 872734442, 1309101663, 1745468884, 2618203326, 3490937768, 5236406652, 6981875536, 10472813304, 20945626608]

約数ペア:

[(1, 20945626608), (2, 10472813304), (3, 6981875536), (4, 5236406652), (6, 3490937768), (8, 2618203326), (12, 1745468884), (16, 1309101663), (24, 872734442), (48, 436367221), (61, 343370928), (109, 192161712), (122, 171685464), (183, 114456976), (218, 96080856), (244, 85842732), (327, 64053904), (366, 57228488), (436, 48040428), (488, 42921366), (654, 32026952), (732, 28614244), (872, 24020214), (976, 21460683), (1308, 16013476), (1464, 14307122), (1744, 12010107), (2616, 8006738), (2928, 7153561), (5232, 4003369), (6649, 3150192), (13298, 1575096), (19947, 1050064), (26596, 787548), (39894, 525032), (53192, 393774), (65629, 319152), (79788, 262516), (106384, 196887), (131258, 159576)]