20277978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25411}}^1$

素因数の和:25442

約数の個数: 32

約数和(自身を含む): 48791040

約数和(自身を除く): 28513062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25411, 50822, 76233, 152466, 177877, 355754, 482809, 533631, 965618, 1067262, 1448427, 2896854, 3379663, 6759326, 10138989, 20277978]

約数ペア:

[(1, 20277978), (2, 10138989), (3, 6759326), (6, 3379663), (7, 2896854), (14, 1448427), (19, 1067262), (21, 965618), (38, 533631), (42, 482809), (57, 355754), (114, 177877), (133, 152466), (266, 76233), (399, 50822), (798, 25411)]