20681112

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 55248480

約数和(自身を除く): 34567368

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 173, 204, 293, 346, 408, 519, 586, 692, 879, 1038, 1172, 1384, 1758, 2076, 2344, 2941, 3516, 4152, 4981, 5882, 7032, 8823, 9962, 11764, 14943, 17646, 19924, 23528, 29886, 35292, 39848, 50689, 59772, 70584, 101378, 119544, 152067, 202756, 304134, 405512, 608268, 861713, 1216536, 1723426, 2585139, 3446852, 5170278, 6893704, 10340556, 20681112]

約数ペア:

[(1, 20681112), (2, 10340556), (3, 6893704), (4, 5170278), (6, 3446852), (8, 2585139), (12, 1723426), (17, 1216536), (24, 861713), (34, 608268), (51, 405512), (68, 304134), (102, 202756), (136, 152067), (173, 119544), (204, 101378), (293, 70584), (346, 59772), (408, 50689), (519, 39848), (586, 35292), (692, 29886), (879, 23528), (1038, 19924), (1172, 17646), (1384, 14943), (1758, 11764), (2076, 9962), (2344, 8823), (2941, 7032), (3516, 5882), (4152, 4981)]