20753216

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:783

約数の個数: 56

約数和(自身を含む): 46085760

約数和(自身を除く): 25332544

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 704, 719, 902, 1312, 1438, 1804, 2624, 2876, 3608, 5752, 7216, 7909, 11504, 14432, 15818, 23008, 28864, 29479, 31636, 46016, 58958, 63272, 117916, 126544, 235832, 253088, 324269, 471664, 506176, 648538, 943328, 1297076, 1886656, 2594152, 5188304, 10376608, 20753216]

約数ペア:

[(1, 20753216), (2, 10376608), (4, 5188304), (8, 2594152), (11, 1886656), (16, 1297076), (22, 943328), (32, 648538), (41, 506176), (44, 471664), (64, 324269), (82, 253088), (88, 235832), (164, 126544), (176, 117916), (328, 63272), (352, 58958), (451, 46016), (656, 31636), (704, 29479), (719, 28864), (902, 23008), (1312, 15818), (1438, 14432), (1804, 11504), (2624, 7909), (2876, 7216), (3608, 5752)]