20458776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2896

約数の個数: 64

約数和(自身を含む): 57496320

約数和(自身を除く): 37037544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2851, 3588, 5702, 7176, 8553, 11404, 17106, 22808, 34212, 37063, 65573, 68424, 74126, 111189, 131146, 148252, 196719, 222378, 262292, 296504, 393438, 444756, 524584, 786876, 852449, 889512, 1573752, 1704898, 2557347, 3409796, 5114694, 6819592, 10229388, 20458776]

約数ペア:

[(1, 20458776), (2, 10229388), (3, 6819592), (4, 5114694), (6, 3409796), (8, 2557347), (12, 1704898), (13, 1573752), (23, 889512), (24, 852449), (26, 786876), (39, 524584), (46, 444756), (52, 393438), (69, 296504), (78, 262292), (92, 222378), (104, 196719), (138, 148252), (156, 131146), (184, 111189), (276, 74126), (299, 68424), (312, 65573), (552, 37063), (598, 34212), (897, 22808), (1196, 17106), (1794, 11404), (2392, 8553), (2851, 7176), (3588, 5702)]