20038988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4831}}^1$

素因数の和:4913

約数の個数: 24

約数和(自身を含む): 37747584

約数和(自身を除く): 17708596

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4831, 9662, 19324, 82127, 164254, 294691, 328508, 589382, 1178764, 5009747, 10019494, 20038988]

約数ペア:

[(1, 20038988), (2, 10019494), (4, 5009747), (17, 1178764), (34, 589382), (61, 328508), (68, 294691), (122, 164254), (244, 82127), (1037, 19324), (2074, 9662), (4148, 4831)]