20158396528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1613}}^1\times {\mathrm{19051}}^1$

素因数の和:20713

約数の個数: 40

約数和(自身を含む): 40036406256

約数和(自身を除く): 19878009728

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1613, 3226, 6452, 12904, 19051, 25808, 38102, 66133, 76204, 132266, 152408, 264532, 304816, 529064, 781091, 1058128, 1562182, 3124364, 6248728, 12497456, 30729263, 61458526, 122917052, 245834104, 491668208, 1259899783, 2519799566, 5039599132, 10079198264, 20158396528]

約数ペア:

[(1, 20158396528), (2, 10079198264), (4, 5039599132), (8, 2519799566), (16, 1259899783), (41, 491668208), (82, 245834104), (164, 122917052), (328, 61458526), (656, 30729263), (1613, 12497456), (3226, 6248728), (6452, 3124364), (12904, 1562182), (19051, 1058128), (25808, 781091), (38102, 529064), (66133, 304816), (76204, 264532), (132266, 152408)]