20884266

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2931

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29435094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2879, 3627, 5758, 7254, 8637, 17274, 25911, 37427, 51822, 74854, 89249, 112281, 178498, 224562, 267747, 336843, 535494, 673686, 803241, 1160237, 1606482, 2320474, 3480711, 6961422, 10442133, 20884266]

約数ペア:

[(1, 20884266), (2, 10442133), (3, 6961422), (6, 3480711), (9, 2320474), (13, 1606482), (18, 1160237), (26, 803241), (31, 673686), (39, 535494), (62, 336843), (78, 267747), (93, 224562), (117, 178498), (186, 112281), (234, 89249), (279, 74854), (403, 51822), (558, 37427), (806, 25911), (1209, 17274), (2418, 8637), (2879, 7254), (3627, 5758)]