20215050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 34156470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 41, 50, 57, 75, 82, 95, 114, 123, 150, 173, 190, 205, 246, 285, 346, 410, 475, 519, 570, 615, 779, 865, 950, 1025, 1038, 1230, 1425, 1558, 1730, 2050, 2337, 2595, 2850, 3075, 3287, 3895, 4325, 4674, 5190, 6150, 6574, 7093, 7790, 8650, 9861, 11685, 12975, 14186, 16435, 19475, 19722, 21279, 23370, 25950, 32870, 35465, 38950, 42558, 49305, 58425, 70930, 82175, 98610, 106395, 116850, 134767, 164350, 177325, 212790, 246525, 269534, 354650, 404301, 493050, 531975, 673835, 808602, 1063950, 1347670, 2021505, 3369175, 4043010, 6738350, 10107525, 20215050]

約数ペア:

[(1, 20215050), (2, 10107525), (3, 6738350), (5, 4043010), (6, 3369175), (10, 2021505), (15, 1347670), (19, 1063950), (25, 808602), (30, 673835), (38, 531975), (41, 493050), (50, 404301), (57, 354650), (75, 269534), (82, 246525), (95, 212790), (114, 177325), (123, 164350), (150, 134767), (173, 116850), (190, 106395), (205, 98610), (246, 82175), (285, 70930), (346, 58425), (410, 49305), (475, 42558), (519, 38950), (570, 35465), (615, 32870), (779, 25950), (865, 23370), (950, 21279), (1025, 19722), (1038, 19475), (1230, 16435), (1425, 14186), (1558, 12975), (1730, 11685), (2050, 9861), (2337, 8650), (2595, 7790), (2850, 7093), (3075, 6574), (3287, 6150), (3895, 5190), (4325, 4674)]