20078876124

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{867413}}^1$

素因数の和:868066

約数の個数: 36

約数和(自身を含む): 50833930056

約数和(自身を除く): 30755053932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5787, 7716, 11574, 23148, 867413, 1734826, 2602239, 3469652, 5204478, 7806717, 10408956, 15613434, 31226868, 557746559, 1115493118, 1673239677, 2230986236, 3346479354, 5019719031, 6692958708, 10039438062, 20078876124]

約数ペア:

[(1, 20078876124), (2, 10039438062), (3, 6692958708), (4, 5019719031), (6, 3346479354), (9, 2230986236), (12, 1673239677), (18, 1115493118), (36, 557746559), (643, 31226868), (1286, 15613434), (1929, 10408956), (2572, 7806717), (3858, 5204478), (5787, 3469652), (7716, 2602239), (11574, 1734826), (23148, 867413)]