20331344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 43226400

約数和(自身を除く): 22895056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 331, 349, 662, 698, 1324, 1396, 2648, 2792, 3641, 3839, 5296, 5584, 7282, 7678, 14564, 15356, 29128, 30712, 58256, 61424, 115519, 231038, 462076, 924152, 1270709, 1848304, 2541418, 5082836, 10165672, 20331344]

約数ペア:

[(1, 20331344), (2, 10165672), (4, 5082836), (8, 2541418), (11, 1848304), (16, 1270709), (22, 924152), (44, 462076), (88, 231038), (176, 115519), (331, 61424), (349, 58256), (662, 30712), (698, 29128), (1324, 15356), (1396, 14564), (2648, 7678), (2792, 7282), (3641, 5584), (3839, 5296)]