20512383928

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{211433}}^1$

素因数の和:211687

約数の個数: 32

約数和(自身を含む): 39250607760

約数和(自身を除く): 18738223832

約数列:

[1, 2, 4, 8, 67, 134, 181, 268, 362, 536, 724, 1448, 12127, 24254, 48508, 97016, 211433, 422866, 845732, 1691464, 14166011, 28332022, 38269373, 56664044, 76538746, 113328088, 153077492, 306154984, 2564047991, 5128095982, 10256191964, 20512383928]

約数ペア:

[(1, 20512383928), (2, 10256191964), (4, 5128095982), (8, 2564047991), (67, 306154984), (134, 153077492), (181, 113328088), (268, 76538746), (362, 56664044), (536, 38269373), (724, 28332022), (1448, 14166011), (12127, 1691464), (24254, 845732), (48508, 422866), (97016, 211433)]