20618220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{7013}}^1$

素因数の和:7039

約数の個数: 72

約数和(自身を含む): 67166064

約数和(自身を除く): 46547844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 7013, 14026, 21039, 28052, 35065, 42078, 49091, 70130, 84156, 98182, 105195, 140260, 147273, 196364, 210390, 245455, 294546, 343637, 420780, 490910, 589092, 687274, 736365, 981820, 1030911, 1374548, 1472730, 1718185, 2061822, 2945460, 3436370, 4123644, 5154555, 6872740, 10309110, 20618220]

約数ペア:

[(1, 20618220), (2, 10309110), (3, 6872740), (4, 5154555), (5, 4123644), (6, 3436370), (7, 2945460), (10, 2061822), (12, 1718185), (14, 1472730), (15, 1374548), (20, 1030911), (21, 981820), (28, 736365), (30, 687274), (35, 589092), (42, 490910), (49, 420780), (60, 343637), (70, 294546), (84, 245455), (98, 210390), (105, 196364), (140, 147273), (147, 140260), (196, 105195), (210, 98182), (245, 84156), (294, 70130), (420, 49091), (490, 42078), (588, 35065), (735, 28052), (980, 21039), (1470, 14026), (2940, 7013)]