20864613

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 35546112

約数和(自身を除く): 14681499

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2203, 3157, 6609, 9471, 15421, 24233, 46263, 72699, 90323, 169631, 270969, 508893, 632261, 993553, 1896783, 2980659, 6954871, 20864613]

約数ペア:

[(1, 20864613), (3, 6954871), (7, 2980659), (11, 1896783), (21, 993553), (33, 632261), (41, 508893), (77, 270969), (123, 169631), (231, 90323), (287, 72699), (451, 46263), (861, 24233), (1353, 15421), (2203, 9471), (3157, 6609)]