20857532100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{919}}^1\times {\mathrm{75653}}^1$

素因数の和:76589

約数の個数: 72

約数和(自身を含む): 60414258240

約数和(自身を除く): 39556726140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 919, 1838, 2757, 3676, 4595, 5514, 9190, 11028, 13785, 18380, 22975, 27570, 45950, 55140, 68925, 75653, 91900, 137850, 151306, 226959, 275700, 302612, 378265, 453918, 756530, 907836, 1134795, 1513060, 1891325, 2269590, 3782650, 4539180, 5673975, 7565300, 11347950, 22695900, 69525107, 139050214, 208575321, 278100428, 347625535, 417150642, 695251070, 834301284, 1042876605, 1390502140, 1738127675, 2085753210, 3476255350, 4171506420, 5214383025, 6952510700, 10428766050, 20857532100]

約数ペア:

[(1, 20857532100), (2, 10428766050), (3, 6952510700), (4, 5214383025), (5, 4171506420), (6, 3476255350), (10, 2085753210), (12, 1738127675), (15, 1390502140), (20, 1042876605), (25, 834301284), (30, 695251070), (50, 417150642), (60, 347625535), (75, 278100428), (100, 208575321), (150, 139050214), (300, 69525107), (919, 22695900), (1838, 11347950), (2757, 7565300), (3676, 5673975), (4595, 4539180), (5514, 3782650), (9190, 2269590), (11028, 1891325), (13785, 1513060), (18380, 1134795), (22975, 907836), (27570, 756530), (45950, 453918), (55140, 378265), (68925, 302612), (75653, 275700), (91900, 226959), (137850, 151306)]