22170920

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3319}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 50198400

約数和(自身を除く): 28027480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3319, 3340, 6638, 6680, 13276, 16595, 26552, 33190, 66380, 132760, 554273, 1108546, 2217092, 2771365, 4434184, 5542730, 11085460, 22170920]

約数ペア:

[(1, 22170920), (2, 11085460), (4, 5542730), (5, 4434184), (8, 2771365), (10, 2217092), (20, 1108546), (40, 554273), (167, 132760), (334, 66380), (668, 33190), (835, 26552), (1336, 16595), (1670, 13276), (3319, 6680), (3340, 6638)]