20868764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39227}}^1$

素因数の和:39257

約数の個数: 24

約数和(自身を含む): 43935360

約数和(自身を除く): 23066596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39227, 78454, 156908, 274589, 549178, 745313, 1098356, 1490626, 2981252, 5217191, 10434382, 20868764]

約数ペア:

[(1, 20868764), (2, 10434382), (4, 5217191), (7, 2981252), (14, 1490626), (19, 1098356), (28, 745313), (38, 549178), (76, 274589), (133, 156908), (266, 78454), (532, 39227)]