20121664017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1568207}}^1$

素因数の和:1568277

約数の個数: 32

約数和(自身を含む): 33722744832

約数和(自身を除く): 13601080815

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 1568207, 4704621, 10977449, 20386691, 32932347, 61160073, 73705729, 142706837, 221117187, 428120511, 515940103, 958174477, 1547820309, 2874523431, 6707221339, 20121664017]

約数ペア:

[(1, 20121664017), (3, 6707221339), (7, 2874523431), (13, 1547820309), (21, 958174477), (39, 515940103), (47, 428120511), (91, 221117187), (141, 142706837), (273, 73705729), (329, 61160073), (611, 32932347), (987, 20386691), (1833, 10977449), (4277, 4704621), (12831, 1568207)]