20085255

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15391}}^1$

素因数の和:15431

約数の個数: 24

約数和(自身を含む): 36017280

約数和(自身を除く): 15932025

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15391, 46173, 76955, 138519, 230865, 446339, 692595, 1339017, 2231695, 4017051, 6695085, 20085255]

約数ペア:

[(1, 20085255), (3, 6695085), (5, 4017051), (9, 2231695), (15, 1339017), (29, 692595), (45, 446339), (87, 230865), (145, 138519), (261, 76955), (435, 46173), (1305, 15391)]