20970684

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27739}}^1$

素因数の和:27759

約数の個数: 48

約数和(自身を含む): 62137600

約数和(自身を除く): 41166916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27739, 55478, 83217, 110956, 166434, 194173, 249651, 332868, 388346, 499302, 582519, 748953, 776692, 998604, 1165038, 1497906, 1747557, 2330076, 2995812, 3495114, 5242671, 6990228, 10485342, 20970684]

約数ペア:

[(1, 20970684), (2, 10485342), (3, 6990228), (4, 5242671), (6, 3495114), (7, 2995812), (9, 2330076), (12, 1747557), (14, 1497906), (18, 1165038), (21, 998604), (27, 776692), (28, 748953), (36, 582519), (42, 499302), (54, 388346), (63, 332868), (84, 249651), (108, 194173), (126, 166434), (189, 110956), (252, 83217), (378, 55478), (756, 27739)]