20455969312

素因数分解:

$2^5\times {\mathrm{367}}^1\times {\mathrm{739}}^1\times {\mathrm{2357}}^1$

素因数の和:3473

約数の個数: 48

約数和(自身を含む): 40454225280

約数和(自身を除く): 19998255968

約数列:

[1, 2, 4, 8, 16, 32, 367, 734, 739, 1468, 1478, 2357, 2936, 2956, 4714, 5872, 5912, 9428, 11744, 11824, 18856, 23648, 37712, 75424, 271213, 542426, 865019, 1084852, 1730038, 1741823, 2169704, 3460076, 3483646, 4339408, 6920152, 6967292, 8678816, 13840304, 13934584, 27680608, 27869168, 55738336, 639249041, 1278498082, 2556996164, 5113992328, 10227984656, 20455969312]

約数ペア:

[(1, 20455969312), (2, 10227984656), (4, 5113992328), (8, 2556996164), (16, 1278498082), (32, 639249041), (367, 55738336), (734, 27869168), (739, 27680608), (1468, 13934584), (1478, 13840304), (2357, 8678816), (2936, 6967292), (2956, 6920152), (4714, 4339408), (5872, 3483646), (5912, 3460076), (9428, 2169704), (11744, 1741823), (11824, 1730038), (18856, 1084852), (23648, 865019), (37712, 542426), (75424, 271213)]