20880483

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 31164672

約数和(自身を除く): 10284189

約数列:

[1, 3, 13, 39, 61, 67, 131, 183, 201, 393, 793, 871, 1703, 2379, 2613, 4087, 5109, 7991, 8777, 12261, 23973, 26331, 53131, 103883, 114101, 159393, 311649, 342303, 535397, 1606191, 6960161, 20880483]

約数ペア:

[(1, 20880483), (3, 6960161), (13, 1606191), (39, 535397), (61, 342303), (67, 311649), (131, 159393), (183, 114101), (201, 103883), (393, 53131), (793, 26331), (871, 23973), (1703, 12261), (2379, 8777), (2613, 7991), (4087, 5109)]