20456198

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17179642

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1451, 2014, 2902, 7049, 10157, 14098, 20314, 27569, 55138, 76903, 153806, 192983, 385966, 538321, 1076642, 1461157, 2922314, 10228099, 20456198]

約数ペア:

[(1, 20456198), (2, 10228099), (7, 2922314), (14, 1461157), (19, 1076642), (38, 538321), (53, 385966), (106, 192983), (133, 153806), (266, 76903), (371, 55138), (742, 27569), (1007, 20314), (1451, 14098), (2014, 10157), (2902, 7049)]