20923658

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 36982656

約数和(自身を除く): 16058998

約数列:

[1, 2, 7, 14, 53, 106, 163, 173, 326, 346, 371, 742, 1141, 1211, 2282, 2422, 8639, 9169, 17278, 18338, 28199, 56398, 60473, 64183, 120946, 128366, 197393, 394786, 1494547, 2989094, 10461829, 20923658]

約数ペア:

[(1, 20923658), (2, 10461829), (7, 2989094), (14, 1494547), (53, 394786), (106, 197393), (163, 128366), (173, 120946), (326, 64183), (346, 60473), (371, 56398), (742, 28199), (1141, 18338), (1211, 17278), (2282, 9169), (2422, 8639)]