20896824

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66977}}^1$

素因数の和:66999

約数の個数: 32

約数和(自身を含む): 56261520

約数和(自身を除く): 35364696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66977, 133954, 200931, 267908, 401862, 535816, 803724, 870701, 1607448, 1741402, 2612103, 3482804, 5224206, 6965608, 10448412, 20896824]

約数ペア:

[(1, 20896824), (2, 10448412), (3, 6965608), (4, 5224206), (6, 3482804), (8, 2612103), (12, 1741402), (13, 1607448), (24, 870701), (26, 803724), (39, 535816), (52, 401862), (78, 267908), (104, 200931), (156, 133954), (312, 66977)]