20184540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 56736288

約数和(自身を除く): 36551748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 953, 1059, 1412, 1765, 1906, 2118, 2859, 3530, 3812, 4236, 4765, 5295, 5718, 7060, 9530, 10590, 11436, 14295, 19060, 21180, 28590, 57180, 336409, 672818, 1009227, 1345636, 1682045, 2018454, 3364090, 4036908, 5046135, 6728180, 10092270, 20184540]

約数ペア:

[(1, 20184540), (2, 10092270), (3, 6728180), (4, 5046135), (5, 4036908), (6, 3364090), (10, 2018454), (12, 1682045), (15, 1345636), (20, 1009227), (30, 672818), (60, 336409), (353, 57180), (706, 28590), (953, 21180), (1059, 19060), (1412, 14295), (1765, 11436), (1906, 10590), (2118, 9530), (2859, 7060), (3530, 5718), (3812, 5295), (4236, 4765)]