20280040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46091}}^1$

素因数の和:46113

約数の個数: 32

約数和(自身を含む): 49779360

約数和(自身を除く): 29499320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46091, 92182, 184364, 230455, 368728, 460910, 507001, 921820, 1014002, 1843640, 2028004, 2535005, 4056008, 5070010, 10140020, 20280040]

約数ペア:

[(1, 20280040), (2, 10140020), (4, 5070010), (5, 4056008), (8, 2535005), (10, 2028004), (11, 1843640), (20, 1014002), (22, 921820), (40, 507001), (44, 460910), (55, 368728), (88, 230455), (110, 184364), (220, 92182), (440, 46091)]