20379524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 40943616

約数和(自身を除く): 20564092

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 67, 124, 134, 223, 268, 341, 446, 682, 737, 892, 1364, 1474, 2077, 2453, 2948, 4154, 4906, 6913, 8308, 9812, 13826, 14941, 22847, 27652, 29882, 45694, 59764, 76043, 91388, 152086, 164351, 304172, 328702, 463171, 657404, 926342, 1852684, 5094881, 10189762, 20379524]

約数ペア:

[(1, 20379524), (2, 10189762), (4, 5094881), (11, 1852684), (22, 926342), (31, 657404), (44, 463171), (62, 328702), (67, 304172), (124, 164351), (134, 152086), (223, 91388), (268, 76043), (341, 59764), (446, 45694), (682, 29882), (737, 27652), (892, 22847), (1364, 14941), (1474, 13826), (2077, 9812), (2453, 8308), (2948, 6913), (4154, 4906)]