20133740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 48495888

約数和(自身を除く): 28362148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 173, 220, 230, 253, 346, 460, 506, 529, 692, 865, 1012, 1058, 1265, 1730, 1903, 2116, 2530, 2645, 3460, 3806, 3979, 5060, 5290, 5819, 7612, 7958, 9515, 10580, 11638, 15916, 19030, 19895, 23276, 29095, 38060, 39790, 43769, 58190, 79580, 87538, 91517, 116380, 175076, 183034, 218845, 366068, 437690, 457585, 875380, 915170, 1006687, 1830340, 2013374, 4026748, 5033435, 10066870, 20133740]

約数ペア:

[(1, 20133740), (2, 10066870), (4, 5033435), (5, 4026748), (10, 2013374), (11, 1830340), (20, 1006687), (22, 915170), (23, 875380), (44, 457585), (46, 437690), (55, 366068), (92, 218845), (110, 183034), (115, 175076), (173, 116380), (220, 91517), (230, 87538), (253, 79580), (346, 58190), (460, 43769), (506, 39790), (529, 38060), (692, 29095), (865, 23276), (1012, 19895), (1058, 19030), (1265, 15916), (1730, 11638), (1903, 10580), (2116, 9515), (2530, 7958), (2645, 7612), (3460, 5819), (3806, 5290), (3979, 5060)]