20768104

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2707}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 44844480

約数和(自身を除く): 24076376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2707, 3836, 5414, 7672, 10828, 18949, 21656, 37898, 75796, 151592, 370859, 741718, 1483436, 2596013, 2966872, 5192026, 10384052, 20768104]

約数ペア:

[(1, 20768104), (2, 10384052), (4, 5192026), (7, 2966872), (8, 2596013), (14, 1483436), (28, 741718), (56, 370859), (137, 151592), (274, 75796), (548, 37898), (959, 21656), (1096, 18949), (1918, 10828), (2707, 7672), (3836, 5414)]