20393928

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1901}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 55633500

約数和(自身を除く): 35239572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 1901, 2682, 3576, 3802, 5364, 5703, 7604, 10728, 11406, 15208, 17109, 22812, 34218, 45624, 68436, 136872, 283249, 566498, 849747, 1132996, 1699494, 2265992, 2549241, 3398988, 5098482, 6797976, 10196964, 20393928]

約数ペア:

[(1, 20393928), (2, 10196964), (3, 6797976), (4, 5098482), (6, 3398988), (8, 2549241), (9, 2265992), (12, 1699494), (18, 1132996), (24, 849747), (36, 566498), (72, 283249), (149, 136872), (298, 68436), (447, 45624), (596, 34218), (894, 22812), (1192, 17109), (1341, 15208), (1788, 11406), (1901, 10728), (2682, 7604), (3576, 5703), (3802, 5364)]