20723778878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{26683}}^1$

素因数の和:27560

約数の個数: 32

約数和(自身を含む): 34743848832

約数和(自身を除く): 14020069954

約数列:

[1, 2, 11, 22, 43, 86, 473, 821, 946, 1642, 9031, 18062, 26683, 35303, 53366, 70606, 293513, 388333, 587026, 776666, 1147369, 2294738, 12621059, 21906743, 25242118, 43813486, 240974173, 481948346, 941989949, 1883979898, 10361889439, 20723778878]

約数ペア:

[(1, 20723778878), (2, 10361889439), (11, 1883979898), (22, 941989949), (43, 481948346), (86, 240974173), (473, 43813486), (821, 25242118), (946, 21906743), (1642, 12621059), (9031, 2294738), (18062, 1147369), (26683, 776666), (35303, 587026), (53366, 388333), (70606, 293513)]