20769944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4871}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 22201096

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4871, 9742, 19484, 38968, 63323, 126646, 199711, 253292, 399422, 506584, 798844, 1597688, 2596243, 5192486, 10384972, 20769944]

約数ペア:

[(1, 20769944), (2, 10384972), (4, 5192486), (8, 2596243), (13, 1597688), (26, 798844), (41, 506584), (52, 399422), (82, 253292), (104, 199711), (164, 126646), (328, 63323), (533, 38968), (1066, 19484), (2132, 9742), (4264, 4871)]