20786673474

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{40013}}^1$

素因数の和:40085

約数の個数: 144

約数和(自身を含む): 56928718080

約数和(自身を除く): 36142044606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 38, 42, 49, 57, 62, 63, 93, 98, 114, 126, 133, 147, 171, 186, 217, 266, 279, 294, 342, 399, 434, 441, 558, 589, 651, 798, 882, 931, 1178, 1197, 1302, 1519, 1767, 1862, 1953, 2394, 2793, 3038, 3534, 3906, 4123, 4557, 5301, 5586, 8246, 8379, 9114, 10602, 12369, 13671, 16758, 24738, 27342, 28861, 37107, 40013, 57722, 74214, 80026, 86583, 120039, 173166, 240078, 259749, 280091, 360117, 519498, 560182, 720234, 760247, 840273, 1240403, 1520494, 1680546, 1960637, 2280741, 2480806, 2520819, 3721209, 3921274, 4561482, 5041638, 5321729, 5881911, 6842223, 7442418, 8682821, 10643458, 11163627, 11763822, 13684446, 15965187, 17365642, 17645733, 22327254, 23567657, 26048463, 31930374, 35291466, 37252103, 47135314, 47895561, 52096926, 60779747, 70702971, 74504206, 78145389, 95791122, 111756309, 121559494, 141405942, 156290778, 164973599, 182339241, 212108913, 223512618, 329947198, 335268927, 364678482, 424217826, 494920797, 547017723, 670537854, 989841594, 1094035446, 1154815193, 1484762391, 2309630386, 2969524782, 3464445579, 6928891158, 10393336737, 20786673474]

約数ペア:

[(1, 20786673474), (2, 10393336737), (3, 6928891158), (6, 3464445579), (7, 2969524782), (9, 2309630386), (14, 1484762391), (18, 1154815193), (19, 1094035446), (21, 989841594), (31, 670537854), (38, 547017723), (42, 494920797), (49, 424217826), (57, 364678482), (62, 335268927), (63, 329947198), (93, 223512618), (98, 212108913), (114, 182339241), (126, 164973599), (133, 156290778), (147, 141405942), (171, 121559494), (186, 111756309), (217, 95791122), (266, 78145389), (279, 74504206), (294, 70702971), (342, 60779747), (399, 52096926), (434, 47895561), (441, 47135314), (558, 37252103), (589, 35291466), (651, 31930374), (798, 26048463), (882, 23567657), (931, 22327254), (1178, 17645733), (1197, 17365642), (1302, 15965187), (1519, 13684446), (1767, 11763822), (1862, 11163627), (1953, 10643458), (2394, 8682821), (2793, 7442418), (3038, 6842223), (3534, 5881911), (3906, 5321729), (4123, 5041638), (4557, 4561482), (5301, 3921274), (5586, 3721209), (8246, 2520819), (8379, 2480806), (9114, 2280741), (10602, 1960637), (12369, 1680546), (13671, 1520494), (16758, 1240403), (24738, 840273), (27342, 760247), (28861, 720234), (37107, 560182), (40013, 519498), (57722, 360117), (74214, 280091), (80026, 259749), (86583, 240078), (120039, 173166)]