20339592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 63974400

約数和(自身を除く): 43634808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 67, 78, 84, 91, 104, 134, 139, 156, 168, 182, 201, 268, 273, 278, 312, 364, 402, 417, 469, 536, 546, 556, 728, 804, 834, 871, 938, 973, 1092, 1112, 1407, 1608, 1668, 1742, 1807, 1876, 1946, 2184, 2613, 2814, 2919, 3336, 3484, 3614, 3752, 3892, 5226, 5421, 5628, 5838, 6097, 6968, 7228, 7784, 9313, 10452, 10842, 11256, 11676, 12194, 12649, 14456, 18291, 18626, 20904, 21684, 23352, 24388, 25298, 27939, 36582, 37252, 37947, 43368, 48776, 50596, 55878, 65191, 73164, 74504, 75894, 101192, 111756, 121069, 130382, 146328, 151788, 195573, 223512, 242138, 260764, 303576, 363207, 391146, 484276, 521528, 726414, 782292, 847483, 968552, 1452828, 1564584, 1694966, 2542449, 2905656, 3389932, 5084898, 6779864, 10169796, 20339592]

約数ペア:

[(1, 20339592), (2, 10169796), (3, 6779864), (4, 5084898), (6, 3389932), (7, 2905656), (8, 2542449), (12, 1694966), (13, 1564584), (14, 1452828), (21, 968552), (24, 847483), (26, 782292), (28, 726414), (39, 521528), (42, 484276), (52, 391146), (56, 363207), (67, 303576), (78, 260764), (84, 242138), (91, 223512), (104, 195573), (134, 151788), (139, 146328), (156, 130382), (168, 121069), (182, 111756), (201, 101192), (268, 75894), (273, 74504), (278, 73164), (312, 65191), (364, 55878), (402, 50596), (417, 48776), (469, 43368), (536, 37947), (546, 37252), (556, 36582), (728, 27939), (804, 25298), (834, 24388), (871, 23352), (938, 21684), (973, 20904), (1092, 18626), (1112, 18291), (1407, 14456), (1608, 12649), (1668, 12194), (1742, 11676), (1807, 11256), (1876, 10842), (1946, 10452), (2184, 9313), (2613, 7784), (2814, 7228), (2919, 6968), (3336, 6097), (3484, 5838), (3614, 5628), (3752, 5421), (3892, 5226)]