20866412

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24130708

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 743, 826, 1003, 1486, 1652, 2006, 2972, 4012, 5201, 7021, 10402, 12631, 14042, 20804, 25262, 28084, 43837, 50524, 87674, 88417, 175348, 176834, 306859, 353668, 613718, 745229, 1227436, 1490458, 2980916, 5216603, 10433206, 20866412]

約数ペア:

[(1, 20866412), (2, 10433206), (4, 5216603), (7, 2980916), (14, 1490458), (17, 1227436), (28, 745229), (34, 613718), (59, 353668), (68, 306859), (118, 176834), (119, 175348), (236, 88417), (238, 87674), (413, 50524), (476, 43837), (743, 28084), (826, 25262), (1003, 20804), (1486, 14042), (1652, 12631), (2006, 10402), (2972, 7021), (4012, 5201)]