20538546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{69859}}^1$

素因数の和:69878

約数の個数: 24

約数和(自身を含む): 47784240

約数和(自身を除く): 27245694

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69859, 139718, 209577, 419154, 489013, 978026, 1467039, 2934078, 3423091, 6846182, 10269273, 20538546]

約数ペア:

[(1, 20538546), (2, 10269273), (3, 6846182), (6, 3423091), (7, 2934078), (14, 1467039), (21, 978026), (42, 489013), (49, 419154), (98, 209577), (147, 139718), (294, 69859)]