20392036

素因数分解:

$2^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 21943964

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 167, 178, 196, 334, 343, 356, 623, 668, 686, 1169, 1246, 1372, 2338, 2492, 4361, 4676, 8183, 8722, 14863, 16366, 17444, 29726, 30527, 32732, 57281, 59452, 61054, 104041, 114562, 122108, 208082, 229124, 416164, 728287, 1456574, 2913148, 5098009, 10196018, 20392036]

約数ペア:

[(1, 20392036), (2, 10196018), (4, 5098009), (7, 2913148), (14, 1456574), (28, 728287), (49, 416164), (89, 229124), (98, 208082), (167, 122108), (178, 114562), (196, 104041), (334, 61054), (343, 59452), (356, 57281), (623, 32732), (668, 30527), (686, 29726), (1169, 17444), (1246, 16366), (1372, 14863), (2338, 8722), (2492, 8183), (4361, 4676)]