20888927978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1\times {\mathrm{4273}}^1$

素因数の和:5646

約数の個数: 32

約数和(自身を含む): 33337200000

約数和(自身を除く): 12448272022

約数列:

[1, 2, 19, 38, 103, 206, 1249, 1957, 2498, 3914, 4273, 8546, 23731, 47462, 81187, 128647, 162374, 257294, 440119, 880238, 2444293, 4888586, 5336977, 8362261, 10673954, 16724522, 101402563, 202805126, 549708631, 1099417262, 10444463989, 20888927978]

約数ペア:

[(1, 20888927978), (2, 10444463989), (19, 1099417262), (38, 549708631), (103, 202805126), (206, 101402563), (1249, 16724522), (1957, 10673954), (2498, 8362261), (3914, 5336977), (4273, 4888586), (8546, 2444293), (23731, 880238), (47462, 440119), (81187, 257294), (128647, 162374)]