20163853665

素因数分解:

$3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{142657}}^1$

素因数の和:143023

約数の個数: 40

約数和(自身を含む): 36249397800

約数和(自身を除く): 16085544135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 349, 405, 1047, 1745, 3141, 5235, 9423, 15705, 28269, 47115, 141345, 142657, 427971, 713285, 1283913, 2139855, 3851739, 6419565, 11555217, 19258695, 49787293, 57776085, 149361879, 248936465, 448085637, 746809395, 1344256911, 2240428185, 4032770733, 6721284555, 20163853665]

約数ペア:

[(1, 20163853665), (3, 6721284555), (5, 4032770733), (9, 2240428185), (15, 1344256911), (27, 746809395), (45, 448085637), (81, 248936465), (135, 149361879), (349, 57776085), (405, 49787293), (1047, 19258695), (1745, 11555217), (3141, 6419565), (5235, 3851739), (9423, 2139855), (15705, 1283913), (28269, 713285), (47115, 427971), (141345, 142657)]