20145805820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9137}}^1\times {\mathrm{15749}}^1$

素因数の和:24902

約数の個数: 48

約数和(自身を含む): 48358296000

約数和(自身を除く): 28212490180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9137, 15749, 18274, 31498, 36548, 45685, 62996, 63959, 78745, 91370, 110243, 127918, 157490, 182740, 220486, 255836, 314980, 319795, 440972, 551215, 639590, 1102430, 1279180, 2204860, 143898613, 287797226, 575594452, 719493065, 1007290291, 1438986130, 2014580582, 2877972260, 4029161164, 5036451455, 10072902910, 20145805820]

約数ペア:

[(1, 20145805820), (2, 10072902910), (4, 5036451455), (5, 4029161164), (7, 2877972260), (10, 2014580582), (14, 1438986130), (20, 1007290291), (28, 719493065), (35, 575594452), (70, 287797226), (140, 143898613), (9137, 2204860), (15749, 1279180), (18274, 1102430), (31498, 639590), (36548, 551215), (45685, 440972), (62996, 319795), (63959, 314980), (78745, 255836), (91370, 220486), (110243, 182740), (127918, 157490)]