20927348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 41336400

約数和(自身を除く): 20409052

約数列:

[1, 2, 4, 13, 26, 37, 52, 73, 74, 146, 148, 149, 292, 298, 481, 596, 949, 962, 1898, 1924, 1937, 2701, 3796, 3874, 5402, 5513, 7748, 10804, 10877, 11026, 21754, 22052, 35113, 43508, 70226, 71669, 140452, 141401, 143338, 282802, 286676, 402449, 565604, 804898, 1609796, 5231837, 10463674, 20927348]

約数ペア:

[(1, 20927348), (2, 10463674), (4, 5231837), (13, 1609796), (26, 804898), (37, 565604), (52, 402449), (73, 286676), (74, 282802), (146, 143338), (148, 141401), (149, 140452), (292, 71669), (298, 70226), (481, 43508), (596, 35113), (949, 22052), (962, 21754), (1898, 11026), (1924, 10877), (1937, 10804), (2701, 7748), (3796, 5513), (3874, 5402)]