20009748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 55617408

約数和(自身を除く): 35607660

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 37, 44, 51, 66, 68, 74, 102, 111, 132, 148, 187, 204, 222, 241, 374, 407, 444, 482, 561, 629, 723, 748, 814, 964, 1122, 1221, 1258, 1446, 1628, 1887, 2244, 2442, 2516, 2651, 2892, 3774, 4097, 4884, 5302, 6919, 7548, 7953, 8194, 8917, 10604, 12291, 13838, 15906, 16388, 17834, 20757, 24582, 26751, 27676, 31812, 35668, 41514, 45067, 49164, 53502, 83028, 90134, 98087, 107004, 135201, 151589, 180268, 196174, 270402, 294261, 303178, 392348, 454767, 540804, 588522, 606356, 909534, 1177044, 1667479, 1819068, 3334958, 5002437, 6669916, 10004874, 20009748]

約数ペア:

[(1, 20009748), (2, 10004874), (3, 6669916), (4, 5002437), (6, 3334958), (11, 1819068), (12, 1667479), (17, 1177044), (22, 909534), (33, 606356), (34, 588522), (37, 540804), (44, 454767), (51, 392348), (66, 303178), (68, 294261), (74, 270402), (102, 196174), (111, 180268), (132, 151589), (148, 135201), (187, 107004), (204, 98087), (222, 90134), (241, 83028), (374, 53502), (407, 49164), (444, 45067), (482, 41514), (561, 35668), (629, 31812), (723, 27676), (748, 26751), (814, 24582), (964, 20757), (1122, 17834), (1221, 16388), (1258, 15906), (1446, 13838), (1628, 12291), (1887, 10604), (2244, 8917), (2442, 8194), (2516, 7953), (2651, 7548), (2892, 6919), (3774, 5302), (4097, 4884)]