20185020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112139}}^1$

素因数の和:112154

約数の個数: 36

約数和(自身を含む): 61228440

約数和(自身を除く): 41043420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112139, 224278, 336417, 448556, 560695, 672834, 1009251, 1121390, 1345668, 1682085, 2018502, 2242780, 3364170, 4037004, 5046255, 6728340, 10092510, 20185020]

約数ペア:

[(1, 20185020), (2, 10092510), (3, 6728340), (4, 5046255), (5, 4037004), (6, 3364170), (9, 2242780), (10, 2018502), (12, 1682085), (15, 1345668), (18, 1121390), (20, 1009251), (30, 672834), (36, 560695), (45, 448556), (60, 336417), (90, 224278), (180, 112139)]