20179352468

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1933}}^1\times {\mathrm{21569}}^1$

素因数の和:23528

約数の個数: 36

約数和(自身を含む): 38837949780

約数和(自身を除く): 18658597312

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1933, 3866, 7732, 21263, 21569, 42526, 43138, 85052, 86276, 233893, 237259, 467786, 474518, 935572, 949036, 2609849, 5219698, 10439396, 41692877, 83385754, 166771508, 458621647, 917243294, 1834486588, 5044838117, 10089676234, 20179352468]

約数ペア:

[(1, 20179352468), (2, 10089676234), (4, 5044838117), (11, 1834486588), (22, 917243294), (44, 458621647), (121, 166771508), (242, 83385754), (484, 41692877), (1933, 10439396), (3866, 5219698), (7732, 2609849), (21263, 949036), (21569, 935572), (42526, 474518), (43138, 467786), (85052, 237259), (86276, 233893)]