20356448

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4819

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 27866272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4783, 9566, 19132, 33481, 38264, 66962, 76528, 90877, 133924, 153056, 181754, 267848, 363508, 535696, 636139, 727016, 1071392, 1272278, 1454032, 2544556, 2908064, 5089112, 10178224, 20356448]

約数ペア:

[(1, 20356448), (2, 10178224), (4, 5089112), (7, 2908064), (8, 2544556), (14, 1454032), (16, 1272278), (19, 1071392), (28, 727016), (32, 636139), (38, 535696), (56, 363508), (76, 267848), (112, 181754), (133, 153056), (152, 133924), (224, 90877), (266, 76528), (304, 66962), (532, 38264), (608, 33481), (1064, 19132), (2128, 9566), (4256, 4783)]