20860024

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 42793920

約数和(自身を除く): 21933896

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 233, 248, 361, 466, 589, 722, 932, 1178, 1444, 1864, 2356, 2888, 4427, 4712, 7223, 8854, 11191, 14446, 17708, 22382, 28892, 35416, 44764, 57784, 84113, 89528, 137237, 168226, 274474, 336452, 548948, 672904, 1097896, 2607503, 5215006, 10430012, 20860024]

約数ペア:

[(1, 20860024), (2, 10430012), (4, 5215006), (8, 2607503), (19, 1097896), (31, 672904), (38, 548948), (62, 336452), (76, 274474), (124, 168226), (152, 137237), (233, 89528), (248, 84113), (361, 57784), (466, 44764), (589, 35416), (722, 28892), (932, 22382), (1178, 17708), (1444, 14446), (1864, 11191), (2356, 8854), (2888, 7223), (4427, 4712)]