20291207853

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{613}}^1\times {\mathrm{4159}}^1$

素因数の和:5161

約数の個数: 32

約数和(自身を含む): 31059558400

約数和(自身を除く): 10768350547

約数列:

[1, 3, 7, 21, 379, 613, 1137, 1839, 2653, 4159, 4291, 7959, 12477, 12873, 29113, 87339, 232327, 696981, 1576261, 1626289, 2549467, 4728783, 4878867, 7648401, 11033827, 17846269, 33101481, 53538807, 966247993, 2898743979, 6763735951, 20291207853]

約数ペア:

[(1, 20291207853), (3, 6763735951), (7, 2898743979), (21, 966247993), (379, 53538807), (613, 33101481), (1137, 17846269), (1839, 11033827), (2653, 7648401), (4159, 4878867), (4291, 4728783), (7959, 2549467), (12477, 1626289), (12873, 1576261), (29113, 696981), (87339, 232327)]