20123090940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{23087}}^1$

素因数の和:23371

約数の個数: 96

約数和(自身を含む): 57406003200

約数和(自身を除く): 37282912260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 199, 219, 292, 365, 398, 438, 597, 730, 796, 876, 995, 1095, 1194, 1460, 1990, 2190, 2388, 2985, 3980, 4380, 5970, 11940, 14527, 23087, 29054, 43581, 46174, 58108, 69261, 72635, 87162, 92348, 115435, 138522, 145270, 174324, 217905, 230870, 277044, 290540, 346305, 435810, 461740, 692610, 871620, 1385220, 1685351, 3370702, 4594313, 5056053, 6741404, 8426755, 9188626, 10112106, 13782939, 16853510, 18377252, 20224212, 22971565, 25280265, 27565878, 33707020, 45943130, 50560530, 55131756, 68914695, 91886260, 101121060, 137829390, 275658780, 335384849, 670769698, 1006154547, 1341539396, 1676924245, 2012309094, 3353848490, 4024618188, 5030772735, 6707696980, 10061545470, 20123090940]

約数ペア:

[(1, 20123090940), (2, 10061545470), (3, 6707696980), (4, 5030772735), (5, 4024618188), (6, 3353848490), (10, 2012309094), (12, 1676924245), (15, 1341539396), (20, 1006154547), (30, 670769698), (60, 335384849), (73, 275658780), (146, 137829390), (199, 101121060), (219, 91886260), (292, 68914695), (365, 55131756), (398, 50560530), (438, 45943130), (597, 33707020), (730, 27565878), (796, 25280265), (876, 22971565), (995, 20224212), (1095, 18377252), (1194, 16853510), (1460, 13782939), (1990, 10112106), (2190, 9188626), (2388, 8426755), (2985, 6741404), (3980, 5056053), (4380, 4594313), (5970, 3370702), (11940, 1685351), (14527, 1385220), (23087, 871620), (29054, 692610), (43581, 461740), (46174, 435810), (58108, 346305), (69261, 290540), (72635, 277044), (87162, 230870), (92348, 217905), (115435, 174324), (138522, 145270)]