20288070

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 168

約数和(自身を含む): 62799408

約数和(自身を除く): 42511338

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 81, 90, 99, 110, 115, 121, 135, 138, 162, 165, 198, 207, 230, 242, 243, 253, 270, 297, 330, 345, 363, 405, 414, 486, 495, 506, 594, 605, 621, 690, 726, 729, 759, 810, 891, 990, 1035, 1089, 1210, 1215, 1242, 1265, 1458, 1485, 1518, 1782, 1815, 1863, 2070, 2178, 2277, 2430, 2530, 2673, 2783, 2970, 3105, 3267, 3630, 3645, 3726, 3795, 4455, 4554, 5346, 5445, 5566, 5589, 6210, 6534, 6831, 7290, 7590, 8019, 8349, 8910, 9315, 9801, 10890, 11178, 11385, 13365, 13662, 13915, 16038, 16335, 16698, 16767, 18630, 19602, 20493, 22770, 25047, 26730, 27830, 27945, 29403, 32670, 33534, 34155, 40095, 40986, 41745, 49005, 50094, 55890, 58806, 61479, 68310, 75141, 80190, 83490, 83835, 88209, 98010, 102465, 122958, 125235, 147015, 150282, 167670, 176418, 184437, 204930, 225423, 250470, 294030, 307395, 368874, 375705, 441045, 450846, 614790, 676269, 751410, 882090, 922185, 1127115, 1352538, 1844370, 2028807, 2254230, 3381345, 4057614, 6762690, 10144035, 20288070]

約数ペア:

[(1, 20288070), (2, 10144035), (3, 6762690), (5, 4057614), (6, 3381345), (9, 2254230), (10, 2028807), (11, 1844370), (15, 1352538), (18, 1127115), (22, 922185), (23, 882090), (27, 751410), (30, 676269), (33, 614790), (45, 450846), (46, 441045), (54, 375705), (55, 368874), (66, 307395), (69, 294030), (81, 250470), (90, 225423), (99, 204930), (110, 184437), (115, 176418), (121, 167670), (135, 150282), (138, 147015), (162, 125235), (165, 122958), (198, 102465), (207, 98010), (230, 88209), (242, 83835), (243, 83490), (253, 80190), (270, 75141), (297, 68310), (330, 61479), (345, 58806), (363, 55890), (405, 50094), (414, 49005), (486, 41745), (495, 40986), (506, 40095), (594, 34155), (605, 33534), (621, 32670), (690, 29403), (726, 27945), (729, 27830), (759, 26730), (810, 25047), (891, 22770), (990, 20493), (1035, 19602), (1089, 18630), (1210, 16767), (1215, 16698), (1242, 16335), (1265, 16038), (1458, 13915), (1485, 13662), (1518, 13365), (1782, 11385), (1815, 11178), (1863, 10890), (2070, 9801), (2178, 9315), (2277, 8910), (2430, 8349), (2530, 8019), (2673, 7590), (2783, 7290), (2970, 6831), (3105, 6534), (3267, 6210), (3630, 5589), (3645, 5566), (3726, 5445), (3795, 5346), (4455, 4554)]