20984016

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3191}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 54621504

約数和(自身を除く): 33637488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3191, 3288, 6382, 6576, 9573, 12764, 19146, 25528, 38292, 51056, 76584, 153168, 437167, 874334, 1311501, 1748668, 2623002, 3497336, 5246004, 6994672, 10492008, 20984016]

約数ペア:

[(1, 20984016), (2, 10492008), (3, 6994672), (4, 5246004), (6, 3497336), (8, 2623002), (12, 1748668), (16, 1311501), (24, 874334), (48, 437167), (137, 153168), (274, 76584), (411, 51056), (548, 38292), (822, 25528), (1096, 19146), (1644, 12764), (2192, 9573), (3191, 6576), (3288, 6382)]