20654312

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6959}}^1$

素因数の和:7025

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 24446488

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6959, 13918, 27836, 48713, 55672, 97426, 194852, 368827, 389704, 737654, 1475308, 2581789, 2950616, 5163578, 10327156, 20654312]

約数ペア:

[(1, 20654312), (2, 10327156), (4, 5163578), (7, 2950616), (8, 2581789), (14, 1475308), (28, 737654), (53, 389704), (56, 368827), (106, 194852), (212, 97426), (371, 55672), (424, 48713), (742, 27836), (1484, 13918), (2968, 6959)]