20127835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 10579877

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1427, 2015, 2821, 7135, 9989, 14105, 18551, 44237, 49945, 92755, 129857, 221185, 309659, 575081, 649285, 1548295, 2875405, 4025567, 20127835]

約数ペア:

[(1, 20127835), (5, 4025567), (7, 2875405), (13, 1548295), (31, 649285), (35, 575081), (65, 309659), (91, 221185), (155, 129857), (217, 92755), (403, 49945), (455, 44237), (1085, 18551), (1427, 14105), (2015, 9989), (2821, 7135)]