20401918209

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1474873}}^1$

素因数の和:1474961

約数の個数: 24

約数和(自身を含む): 31060846440

約数和(自身を除く): 10658928231

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1537, 4611, 13833, 1474873, 4424619, 13273857, 42771317, 78168269, 128313951, 234504807, 384941853, 703514421, 2266879801, 6800639403, 20401918209]

約数ペア:

[(1, 20401918209), (3, 6800639403), (9, 2266879801), (29, 703514421), (53, 384941853), (87, 234504807), (159, 128313951), (261, 78168269), (477, 42771317), (1537, 13273857), (4611, 4424619), (13833, 1474873)]