20578844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35977}}^1$

素因数の和:36005

約数の個数: 24

約数和(自身を含む): 42310128

約数和(自身を除く): 21731284

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35977, 71954, 143908, 395747, 467701, 791494, 935402, 1582988, 1870804, 5144711, 10289422, 20578844]

約数ペア:

[(1, 20578844), (2, 10289422), (4, 5144711), (11, 1870804), (13, 1582988), (22, 935402), (26, 791494), (44, 467701), (52, 395747), (143, 143908), (286, 71954), (572, 35977)]