20842164

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1490

約数の個数: 96

約数和(自身を含む): 65049600

約数和(自身を除く): 44207436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1451, 1596, 2052, 2394, 2902, 3591, 4353, 4788, 5804, 7182, 8706, 10157, 13059, 14364, 17412, 20314, 26118, 27569, 30471, 39177, 40628, 52236, 55138, 60942, 78354, 82707, 91413, 110276, 121884, 156708, 165414, 182826, 192983, 248121, 274239, 330828, 365652, 385966, 496242, 548478, 578949, 744363, 771932, 992484, 1096956, 1157898, 1488726, 1736847, 2315796, 2977452, 3473694, 5210541, 6947388, 10421082, 20842164]

約数ペア:

[(1, 20842164), (2, 10421082), (3, 6947388), (4, 5210541), (6, 3473694), (7, 2977452), (9, 2315796), (12, 1736847), (14, 1488726), (18, 1157898), (19, 1096956), (21, 992484), (27, 771932), (28, 744363), (36, 578949), (38, 548478), (42, 496242), (54, 385966), (57, 365652), (63, 330828), (76, 274239), (84, 248121), (108, 192983), (114, 182826), (126, 165414), (133, 156708), (171, 121884), (189, 110276), (228, 91413), (252, 82707), (266, 78354), (342, 60942), (378, 55138), (399, 52236), (513, 40628), (532, 39177), (684, 30471), (756, 27569), (798, 26118), (1026, 20314), (1197, 17412), (1451, 14364), (1596, 13059), (2052, 10157), (2394, 8706), (2902, 7182), (3591, 5804), (4353, 4788)]