20588650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 20123030

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 155, 185, 310, 359, 370, 718, 775, 925, 1147, 1550, 1795, 1850, 2294, 3590, 5735, 8975, 11129, 11470, 13283, 17950, 22258, 26566, 28675, 55645, 57350, 66415, 111290, 132830, 278225, 332075, 411773, 556450, 664150, 823546, 2058865, 4117730, 10294325, 20588650]

約数ペア:

[(1, 20588650), (2, 10294325), (5, 4117730), (10, 2058865), (25, 823546), (31, 664150), (37, 556450), (50, 411773), (62, 332075), (74, 278225), (155, 132830), (185, 111290), (310, 66415), (359, 57350), (370, 55645), (718, 28675), (775, 26566), (925, 22258), (1147, 17950), (1550, 13283), (1795, 11470), (1850, 11129), (2294, 8975), (3590, 5735)]