20783218086

素因数分解:

$2^1\times 3^3\times {\mathrm{1609}}^1\times {\mathrm{239201}}^1$

素因数の和:240821

約数の個数: 32

約数和(自身を含む): 46213826400

約数和(自身を除く): 25430608314

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1609, 3218, 4827, 9654, 14481, 28962, 43443, 86886, 239201, 478402, 717603, 1435206, 2152809, 4305618, 6458427, 12916854, 384874409, 769748818, 1154623227, 2309246454, 3463869681, 6927739362, 10391609043, 20783218086]

約数ペア:

[(1, 20783218086), (2, 10391609043), (3, 6927739362), (6, 3463869681), (9, 2309246454), (18, 1154623227), (27, 769748818), (54, 384874409), (1609, 12916854), (3218, 6458427), (4827, 4305618), (9654, 2152809), (14481, 1435206), (28962, 717603), (43443, 478402), (86886, 239201)]