20441456

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{797}}^1$

素因数の和:1041

約数の個数: 40

約数和(自身を含む): 45517920

約数和(自身を除く): 25076464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 797, 916, 1594, 1603, 1832, 3188, 3206, 3664, 5579, 6376, 6412, 11158, 12752, 12824, 22316, 25648, 44632, 89264, 182513, 365026, 730052, 1277591, 1460104, 2555182, 2920208, 5110364, 10220728, 20441456]

約数ペア:

[(1, 20441456), (2, 10220728), (4, 5110364), (7, 2920208), (8, 2555182), (14, 1460104), (16, 1277591), (28, 730052), (56, 365026), (112, 182513), (229, 89264), (458, 44632), (797, 25648), (916, 22316), (1594, 12824), (1603, 12752), (1832, 11158), (3188, 6412), (3206, 6376), (3664, 5579)]