20170771696

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{224759}}^1$

素因数の和:224917

約数の個数: 40

約数和(自身を含む): 40133145600

約数和(自身を除く): 19962373904

約数列:

[1, 2, 4, 8, 16, 71, 79, 142, 158, 284, 316, 568, 632, 1136, 1264, 5609, 11218, 22436, 44872, 89744, 224759, 449518, 899036, 1798072, 3596144, 15957889, 17755961, 31915778, 35511922, 63831556, 71023844, 127663112, 142047688, 255326224, 284095376, 1260673231, 2521346462, 5042692924, 10085385848, 20170771696]

約数ペア:

[(1, 20170771696), (2, 10085385848), (4, 5042692924), (8, 2521346462), (16, 1260673231), (71, 284095376), (79, 255326224), (142, 142047688), (158, 127663112), (284, 71023844), (316, 63831556), (568, 35511922), (632, 31915778), (1136, 17755961), (1264, 15957889), (5609, 3596144), (11218, 1798072), (22436, 899036), (44872, 449518), (89744, 224759)]