20853870081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{73387}}^1$

素因数の和:73589

約数の個数: 32

約数和(自身を含む): 30999091200

約数和(自身を除く): 10145221119

約数列:

[1, 3, 11, 33, 79, 109, 237, 327, 869, 1199, 2607, 3597, 8611, 25833, 73387, 94721, 220161, 284163, 807257, 2421771, 5797573, 7999183, 17392719, 23997549, 63773303, 87991013, 191319909, 263973039, 631935457, 1895806371, 6951290027, 20853870081]

約数ペア:

[(1, 20853870081), (3, 6951290027), (11, 1895806371), (33, 631935457), (79, 263973039), (109, 191319909), (237, 87991013), (327, 63773303), (869, 23997549), (1199, 17392719), (2607, 7999183), (3597, 5797573), (8611, 2421771), (25833, 807257), (73387, 284163), (94721, 220161)]