20934176

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22611424

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 449, 496, 752, 898, 992, 1457, 1504, 1796, 2914, 3592, 5828, 7184, 11656, 13919, 14368, 21103, 23312, 27838, 42206, 46624, 55676, 84412, 111352, 168824, 222704, 337648, 445408, 654193, 675296, 1308386, 2616772, 5233544, 10467088, 20934176]

約数ペア:

[(1, 20934176), (2, 10467088), (4, 5233544), (8, 2616772), (16, 1308386), (31, 675296), (32, 654193), (47, 445408), (62, 337648), (94, 222704), (124, 168824), (188, 111352), (248, 84412), (376, 55676), (449, 46624), (496, 42206), (752, 27838), (898, 23312), (992, 21103), (1457, 14368), (1504, 13919), (1796, 11656), (2914, 7184), (3592, 5828)]