20297790

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8353}}^1$

素因数の和:8375

約数の個数: 48

約数和(自身を含む): 54735408

約数和(自身を除く): 34437618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8353, 16706, 25059, 41765, 50118, 75177, 83530, 125295, 150354, 225531, 250590, 375885, 451062, 676593, 751770, 1127655, 1353186, 2029779, 2255310, 3382965, 4059558, 6765930, 10148895, 20297790]

約数ペア:

[(1, 20297790), (2, 10148895), (3, 6765930), (5, 4059558), (6, 3382965), (9, 2255310), (10, 2029779), (15, 1353186), (18, 1127655), (27, 751770), (30, 676593), (45, 451062), (54, 375885), (81, 250590), (90, 225531), (135, 150354), (162, 125295), (243, 83530), (270, 75177), (405, 50118), (486, 41765), (810, 25059), (1215, 16706), (2430, 8353)]