1969220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8951}}^1$

素因数の和:8971

約数の個数: 24

約数和(自身を含む): 4511808

約数和(自身を除く): 2542588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8951, 17902, 35804, 44755, 89510, 98461, 179020, 196922, 393844, 492305, 984610, 1969220]

約数ペア:

[(1, 1969220), (2, 984610), (4, 492305), (5, 393844), (10, 196922), (11, 179020), (20, 98461), (22, 89510), (44, 44755), (55, 35804), (110, 17902), (220, 8951)]