20162063980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{21911}}^1$

素因数の和:22390

約数の個数: 48

約数和(自身を含む): 42775729920

約数和(自身を除く): 22613665940

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 331, 556, 662, 695, 1324, 1390, 1655, 2780, 3310, 6620, 21911, 43822, 46009, 87644, 92018, 109555, 184036, 219110, 230045, 438220, 460090, 920180, 3045629, 6091258, 7252541, 12182516, 14505082, 15228145, 29010164, 30456290, 36262705, 60912580, 72525410, 145050820, 1008103199, 2016206398, 4032412796, 5040515995, 10081031990, 20162063980]

約数ペア:

[(1, 20162063980), (2, 10081031990), (4, 5040515995), (5, 4032412796), (10, 2016206398), (20, 1008103199), (139, 145050820), (278, 72525410), (331, 60912580), (556, 36262705), (662, 30456290), (695, 29010164), (1324, 15228145), (1390, 14505082), (1655, 12182516), (2780, 7252541), (3310, 6091258), (6620, 3045629), (21911, 920180), (43822, 460090), (46009, 438220), (87644, 230045), (92018, 219110), (109555, 184036)]