20160449519

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1\times {\mathrm{359}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 23482368000

約数和(自身を除く): 3321918481

約数列:

[1, 7, 127, 181, 349, 359, 889, 1267, 2443, 2513, 22987, 44323, 45593, 63169, 64979, 125291, 160909, 310261, 319151, 442183, 454853, 877037, 8022463, 8252333, 15911957, 22677671, 56157241, 57766331, 111383699, 158743697, 2880064217, 20160449519]

約数ペア:

[(1, 20160449519), (7, 2880064217), (127, 158743697), (181, 111383699), (349, 57766331), (359, 56157241), (889, 22677671), (1267, 15911957), (2443, 8252333), (2513, 8022463), (22987, 877037), (44323, 454853), (45593, 442183), (63169, 319151), (64979, 310261), (125291, 160909)]