20137509973

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{9421}}^1$

素因数の和:9637

約数の個数: 32

約数和(自身を含む): 24096199680

約数和(自身を除く): 3958689707

約数列:

[1, 7, 47, 73, 89, 329, 511, 623, 3431, 4183, 6497, 9421, 24017, 29281, 45479, 65947, 305359, 442787, 687733, 838469, 2137513, 3099509, 4814131, 5869283, 32323451, 39408043, 61208237, 226264157, 275856301, 428457659, 2876787139, 20137509973]

約数ペア:

[(1, 20137509973), (7, 2876787139), (47, 428457659), (73, 275856301), (89, 226264157), (329, 61208237), (511, 39408043), (623, 32323451), (3431, 5869283), (4183, 4814131), (6497, 3099509), (9421, 2137513), (24017, 838469), (29281, 687733), (45479, 442787), (65947, 305359)]