20788356

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 51800000

約数和(自身を除く): 31011644

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1249, 1387, 2498, 2774, 3747, 4161, 4996, 5548, 7494, 8322, 14988, 16644, 23731, 47462, 71193, 91177, 94924, 142386, 182354, 273531, 284772, 364708, 547062, 1094124, 1732363, 3464726, 5197089, 6929452, 10394178, 20788356]

約数ペア:

[(1, 20788356), (2, 10394178), (3, 6929452), (4, 5197089), (6, 3464726), (12, 1732363), (19, 1094124), (38, 547062), (57, 364708), (73, 284772), (76, 273531), (114, 182354), (146, 142386), (219, 94924), (228, 91177), (292, 71193), (438, 47462), (876, 23731), (1249, 16644), (1387, 14988), (2498, 8322), (2774, 7494), (3747, 5548), (4161, 4996)]