20180976795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{4021}}^1$

素因数の和:4202

約数の個数: 128

約数和(自身を含む): 42256097280

約数和(自身を除く): 22075120485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 63, 105, 113, 135, 141, 189, 235, 315, 329, 339, 423, 565, 705, 791, 945, 987, 1017, 1269, 1645, 1695, 2115, 2373, 2961, 3051, 3955, 4021, 4935, 5085, 5311, 6345, 7119, 8883, 11865, 12063, 14805, 15255, 15933, 20105, 21357, 26555, 28147, 35595, 36189, 37177, 44415, 47799, 60315, 79665, 84441, 106785, 108567, 111531, 140735, 143397, 180945, 185885, 188987, 238995, 253323, 334593, 422205, 454373, 542835, 557655, 566961, 716985, 759969, 944935, 1003779, 1266615, 1322909, 1363119, 1672965, 1700883, 2271865, 2834805, 3180611, 3799845, 3968727, 4089357, 5018895, 5102649, 6614545, 6815595, 8504415, 9541833, 11906181, 12268071, 15903055, 19843635, 20446785, 21355531, 25513245, 28625499, 35718543, 47709165, 59530905, 61340355, 64066593, 85876497, 106777655, 143127495, 149488717, 178592715, 192199779, 320332965, 429382485, 448466151, 576599337, 747443585, 960998895, 1345398453, 2242330755, 2882996685, 4036195359, 6726992265, 20180976795]

約数ペア:

[(1, 20180976795), (3, 6726992265), (5, 4036195359), (7, 2882996685), (9, 2242330755), (15, 1345398453), (21, 960998895), (27, 747443585), (35, 576599337), (45, 448466151), (47, 429382485), (63, 320332965), (105, 192199779), (113, 178592715), (135, 149488717), (141, 143127495), (189, 106777655), (235, 85876497), (315, 64066593), (329, 61340355), (339, 59530905), (423, 47709165), (565, 35718543), (705, 28625499), (791, 25513245), (945, 21355531), (987, 20446785), (1017, 19843635), (1269, 15903055), (1645, 12268071), (1695, 11906181), (2115, 9541833), (2373, 8504415), (2961, 6815595), (3051, 6614545), (3955, 5102649), (4021, 5018895), (4935, 4089357), (5085, 3968727), (5311, 3799845), (6345, 3180611), (7119, 2834805), (8883, 2271865), (11865, 1700883), (12063, 1672965), (14805, 1363119), (15255, 1322909), (15933, 1266615), (20105, 1003779), (21357, 944935), (26555, 759969), (28147, 716985), (35595, 566961), (36189, 557655), (37177, 542835), (44415, 454373), (47799, 422205), (60315, 334593), (79665, 253323), (84441, 238995), (106785, 188987), (108567, 185885), (111531, 180945), (140735, 143397)]