20927144

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1129}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 45019200

約数和(自身を除く): 24092056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1129, 1324, 2258, 2317, 2648, 4516, 4634, 7903, 9032, 9268, 15806, 18536, 31612, 63224, 373699, 747398, 1494796, 2615893, 2989592, 5231786, 10463572, 20927144]

約数ペア:

[(1, 20927144), (2, 10463572), (4, 5231786), (7, 2989592), (8, 2615893), (14, 1494796), (28, 747398), (56, 373699), (331, 63224), (662, 31612), (1129, 18536), (1324, 15806), (2258, 9268), (2317, 9032), (2648, 7903), (4516, 4634)]