20983292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12889}}^1$

素因数の和:12941

約数の個数: 24

約数和(自身を含む): 41144880

約数和(自身を除く): 20161588

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12889, 25778, 51556, 141779, 283558, 476893, 567116, 953786, 1907572, 5245823, 10491646, 20983292]

約数ペア:

[(1, 20983292), (2, 10491646), (4, 5245823), (11, 1907572), (22, 953786), (37, 567116), (44, 476893), (74, 283558), (148, 141779), (407, 51556), (814, 25778), (1628, 12889)]