20335860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12553}}^1$

素因数の和:12574

約数の個数: 60

約数和(自身を含む): 63799428

約数和(自身を除く): 43463568

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12553, 25106, 37659, 50212, 62765, 75318, 112977, 125530, 150636, 188295, 225954, 251060, 338931, 376590, 451908, 564885, 677862, 753180, 1016793, 1129770, 1355724, 1694655, 2033586, 2259540, 3389310, 4067172, 5083965, 6778620, 10167930, 20335860]

約数ペア:

[(1, 20335860), (2, 10167930), (3, 6778620), (4, 5083965), (5, 4067172), (6, 3389310), (9, 2259540), (10, 2033586), (12, 1694655), (15, 1355724), (18, 1129770), (20, 1016793), (27, 753180), (30, 677862), (36, 564885), (45, 451908), (54, 376590), (60, 338931), (81, 251060), (90, 225954), (108, 188295), (135, 150636), (162, 125530), (180, 112977), (270, 75318), (324, 62765), (405, 50212), (540, 37659), (810, 25106), (1620, 12553)]