20194696816

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4193251}}^1$

素因数の和:4193309

約数の個数: 40

約数和(自身を含む): 45756765824

約数和(自身を除く): 25562069008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 4193251, 8386502, 16773004, 29352757, 33546008, 58705514, 67092016, 117411028, 180309793, 234822056, 360619586, 469644112, 721239172, 1262168551, 1442478344, 2524337102, 2884956688, 5048674204, 10097348408, 20194696816]

約数ペア:

[(1, 20194696816), (2, 10097348408), (4, 5048674204), (7, 2884956688), (8, 2524337102), (14, 1442478344), (16, 1262168551), (28, 721239172), (43, 469644112), (56, 360619586), (86, 234822056), (112, 180309793), (172, 117411028), (301, 67092016), (344, 58705514), (602, 33546008), (688, 29352757), (1204, 16773004), (2408, 8386502), (4816, 4193251)]