20187921583

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^4\times {\mathrm{73}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 23417870688

約数和(自身を除く): 3229949105

約数列:

[1, 17, 23, 29, 73, 391, 493, 667, 841, 1241, 1679, 2117, 11339, 14297, 19343, 24389, 28543, 35989, 48691, 61393, 328831, 414613, 560947, 707281, 827747, 1043681, 1412039, 1780397, 9536099, 12023777, 16267463, 24004663, 30266749, 40949131, 51631513, 276546871, 696135227, 877735721, 1187524799, 20187921583]

約数ペア:

[(1, 20187921583), (17, 1187524799), (23, 877735721), (29, 696135227), (73, 276546871), (391, 51631513), (493, 40949131), (667, 30266749), (841, 24004663), (1241, 16267463), (1679, 12023777), (2117, 9536099), (11339, 1780397), (14297, 1412039), (19343, 1043681), (24389, 827747), (28543, 707281), (35989, 560947), (48691, 414613), (61393, 328831)]