20658899534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{4073}}^1$

素因数の和:4186

約数の個数: 96

約数和(自身を含む): 40778458560

約数和(自身を除く): 20119559026

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 62, 91, 182, 203, 217, 377, 403, 406, 434, 754, 806, 899, 961, 1798, 1922, 2639, 2821, 4073, 5278, 5642, 6293, 6727, 8146, 11687, 12493, 12586, 13454, 23374, 24986, 27869, 28511, 52949, 55738, 57022, 81809, 87451, 105898, 118117, 126263, 163618, 174902, 195083, 236234, 252526, 362297, 370643, 390166, 724594, 741286, 826819, 883841, 1535521, 1641419, 1653638, 1767682, 2536079, 3071042, 3282838, 3661627, 3914153, 5072158, 7323254, 7828306, 10748647, 11489933, 21497294, 22979866, 25631389, 27399071, 47601151, 50883989, 51262778, 54798142, 95202302, 101767978, 113510437, 227020874, 333208057, 356187923, 666416114, 712375846, 794573059, 1475635681, 1589146118, 2951271362, 10329449767, 20658899534]

約数ペア:

[(1, 20658899534), (2, 10329449767), (7, 2951271362), (13, 1589146118), (14, 1475635681), (26, 794573059), (29, 712375846), (31, 666416114), (58, 356187923), (62, 333208057), (91, 227020874), (182, 113510437), (203, 101767978), (217, 95202302), (377, 54798142), (403, 51262778), (406, 50883989), (434, 47601151), (754, 27399071), (806, 25631389), (899, 22979866), (961, 21497294), (1798, 11489933), (1922, 10748647), (2639, 7828306), (2821, 7323254), (4073, 5072158), (5278, 3914153), (5642, 3661627), (6293, 3282838), (6727, 3071042), (8146, 2536079), (11687, 1767682), (12493, 1653638), (12586, 1641419), (13454, 1535521), (23374, 883841), (24986, 826819), (27869, 741286), (28511, 724594), (52949, 390166), (55738, 370643), (57022, 362297), (81809, 252526), (87451, 236234), (105898, 195083), (118117, 174902), (126263, 163618)]