20612872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19373}}^1$

素因数の和:19405

約数の個数: 32

約数和(自身を含む): 46497600

約数和(自身を除く): 25884728

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19373, 38746, 77492, 135611, 154984, 271222, 368087, 542444, 736174, 1084888, 1472348, 2576609, 2944696, 5153218, 10306436, 20612872]

約数ペア:

[(1, 20612872), (2, 10306436), (4, 5153218), (7, 2944696), (8, 2576609), (14, 1472348), (19, 1084888), (28, 736174), (38, 542444), (56, 368087), (76, 271222), (133, 154984), (152, 135611), (266, 77492), (532, 38746), (1064, 19373)]