20176442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18530758

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 47, 79, 94, 143, 158, 209, 247, 286, 418, 494, 517, 611, 869, 893, 1027, 1034, 1222, 1501, 1738, 1786, 2054, 2717, 3002, 3713, 5434, 6721, 7426, 9823, 11297, 11609, 13442, 16511, 19513, 19646, 22594, 23218, 33022, 39026, 40843, 48269, 70547, 81686, 96538, 127699, 141094, 214643, 255398, 429286, 530959, 776017, 917111, 1061918, 1552034, 1834222, 10088221, 20176442]

約数ペア:

[(1, 20176442), (2, 10088221), (11, 1834222), (13, 1552034), (19, 1061918), (22, 917111), (26, 776017), (38, 530959), (47, 429286), (79, 255398), (94, 214643), (143, 141094), (158, 127699), (209, 96538), (247, 81686), (286, 70547), (418, 48269), (494, 40843), (517, 39026), (611, 33022), (869, 23218), (893, 22594), (1027, 19646), (1034, 19513), (1222, 16511), (1501, 13442), (1738, 11609), (1786, 11297), (2054, 9823), (2717, 7426), (3002, 6721), (3713, 5434)]