20389188

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 50984640

約数和(自身を除く): 30595452

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1123, 1513, 2246, 3026, 3369, 4492, 4539, 6052, 6738, 9078, 13476, 18156, 19091, 38182, 57273, 76364, 99947, 114546, 199894, 229092, 299841, 399788, 599682, 1199364, 1699099, 3398198, 5097297, 6796396, 10194594, 20389188]

約数ペア:

[(1, 20389188), (2, 10194594), (3, 6796396), (4, 5097297), (6, 3398198), (12, 1699099), (17, 1199364), (34, 599682), (51, 399788), (68, 299841), (89, 229092), (102, 199894), (178, 114546), (204, 99947), (267, 76364), (356, 57273), (534, 38182), (1068, 19091), (1123, 18156), (1513, 13476), (2246, 9078), (3026, 6738), (3369, 6052), (4492, 4539)]