20161461564

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{17431}}^1$

素因数の和:17568

約数の個数: 108

約数和(自身を含む): 54394638480

約数和(自身を除く): 34233176916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 89, 114, 171, 178, 228, 267, 342, 356, 361, 534, 684, 722, 801, 1068, 1083, 1444, 1602, 1691, 2166, 3204, 3249, 3382, 4332, 5073, 6498, 6764, 10146, 12996, 15219, 17431, 20292, 30438, 32129, 34862, 52293, 60876, 64258, 69724, 96387, 104586, 128516, 156879, 192774, 209172, 289161, 313758, 331189, 385548, 578322, 627516, 662378, 993567, 1156644, 1324756, 1551359, 1987134, 2980701, 3102718, 3974268, 4654077, 5961402, 6205436, 6292591, 9308154, 11922804, 12585182, 13962231, 18616308, 18877773, 25170364, 27924462, 29475821, 37755546, 55848924, 56633319, 58951642, 75511092, 88427463, 113266638, 117903284, 176854926, 226533276, 265282389, 353709852, 530564778, 560040599, 1061129556, 1120081198, 1680121797, 2240162396, 3360243594, 5040365391, 6720487188, 10080730782, 20161461564]

約数ペア:

[(1, 20161461564), (2, 10080730782), (3, 6720487188), (4, 5040365391), (6, 3360243594), (9, 2240162396), (12, 1680121797), (18, 1120081198), (19, 1061129556), (36, 560040599), (38, 530564778), (57, 353709852), (76, 265282389), (89, 226533276), (114, 176854926), (171, 117903284), (178, 113266638), (228, 88427463), (267, 75511092), (342, 58951642), (356, 56633319), (361, 55848924), (534, 37755546), (684, 29475821), (722, 27924462), (801, 25170364), (1068, 18877773), (1083, 18616308), (1444, 13962231), (1602, 12585182), (1691, 11922804), (2166, 9308154), (3204, 6292591), (3249, 6205436), (3382, 5961402), (4332, 4654077), (5073, 3974268), (6498, 3102718), (6764, 2980701), (10146, 1987134), (12996, 1551359), (15219, 1324756), (17431, 1156644), (20292, 993567), (30438, 662378), (32129, 627516), (34862, 578322), (52293, 385548), (60876, 331189), (64258, 313758), (69724, 289161), (96387, 209172), (104586, 192774), (128516, 156879)]