20179470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15643}}^1$

素因数の和:15696

約数の個数: 32

約数和(自身を含む): 49560192

約数和(自身を除く): 29380722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15643, 31286, 46929, 78215, 93858, 156430, 234645, 469290, 672649, 1345298, 2017947, 3363245, 4035894, 6726490, 10089735, 20179470]

約数ペア:

[(1, 20179470), (2, 10089735), (3, 6726490), (5, 4035894), (6, 3363245), (10, 2017947), (15, 1345298), (30, 672649), (43, 469290), (86, 234645), (129, 156430), (215, 93858), (258, 78215), (430, 46929), (645, 31286), (1290, 15643)]