20238468236

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{64901}}^1$

素因数の和:64999

約数の個数: 72

約数和(自身を含む): 43297941456

約数和(自身を除く): 23059473220

約数列:

[1, 2, 4, 7, 14, 28, 37, 43, 49, 74, 86, 98, 148, 172, 196, 259, 301, 518, 602, 1036, 1204, 1591, 1813, 2107, 3182, 3626, 4214, 6364, 7252, 8428, 11137, 22274, 44548, 64901, 77959, 129802, 155918, 259604, 311836, 454307, 908614, 1817228, 2401337, 2790743, 3180149, 4802674, 5581486, 6360298, 9605348, 11162972, 12720596, 16809359, 19535201, 33618718, 39070402, 67237436, 78140804, 103257491, 117665513, 136746407, 206514982, 235331026, 273492814, 413029964, 470662052, 546985628, 722802437, 1445604874, 2891209748, 5059617059, 10119234118, 20238468236]

約数ペア:

[(1, 20238468236), (2, 10119234118), (4, 5059617059), (7, 2891209748), (14, 1445604874), (28, 722802437), (37, 546985628), (43, 470662052), (49, 413029964), (74, 273492814), (86, 235331026), (98, 206514982), (148, 136746407), (172, 117665513), (196, 103257491), (259, 78140804), (301, 67237436), (518, 39070402), (602, 33618718), (1036, 19535201), (1204, 16809359), (1591, 12720596), (1813, 11162972), (2107, 9605348), (3182, 6360298), (3626, 5581486), (4214, 4802674), (6364, 3180149), (7252, 2790743), (8428, 2401337), (11137, 1817228), (22274, 908614), (44548, 454307), (64901, 311836), (77959, 259604), (129802, 155918)]