20456072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28099}}^1$

素因数の和:28125

約数の個数: 32

約数和(自身を含む): 47208000

約数和(自身を除く): 26751928

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28099, 56198, 112396, 196693, 224792, 365287, 393386, 730574, 786772, 1461148, 1573544, 2557009, 2922296, 5114018, 10228036, 20456072]

約数ペア:

[(1, 20456072), (2, 10228036), (4, 5114018), (7, 2922296), (8, 2557009), (13, 1573544), (14, 1461148), (26, 786772), (28, 730574), (52, 393386), (56, 365287), (91, 224792), (104, 196693), (182, 112396), (364, 56198), (728, 28099)]