20179964155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{35879}}^1$

素因数の和:36423

約数の個数: 32

約数和(自身を含む): 27667785600

約数和(自身を除く): 7487821445

約数列:

[1, 5, 13, 17, 65, 85, 221, 509, 1105, 2545, 6617, 8653, 33085, 35879, 43265, 112489, 179395, 466427, 562445, 609943, 2332135, 3049715, 7929259, 18262411, 39646295, 91312055, 237411343, 310460987, 1187056715, 1552304935, 4035992831, 20179964155]

約数ペア:

[(1, 20179964155), (5, 4035992831), (13, 1552304935), (17, 1187056715), (65, 310460987), (85, 237411343), (221, 91312055), (509, 39646295), (1105, 18262411), (2545, 7929259), (6617, 3049715), (8653, 2332135), (33085, 609943), (35879, 562445), (43265, 466427), (112489, 179395)]