20666982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2749}}^1$

素因数の和:2940

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 26853018

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 179, 358, 537, 1074, 1253, 2506, 2749, 3759, 5498, 7518, 8247, 16494, 19243, 38486, 57729, 115458, 492071, 984142, 1476213, 2952426, 3444497, 6888994, 10333491, 20666982]

約数ペア:

[(1, 20666982), (2, 10333491), (3, 6888994), (6, 3444497), (7, 2952426), (14, 1476213), (21, 984142), (42, 492071), (179, 115458), (358, 57729), (537, 38486), (1074, 19243), (1253, 16494), (2506, 8247), (2749, 7518), (3759, 5498)]