20300672

素因数分解:

$2^7\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 46838400

約数和(自身を除く): 26537728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 163, 224, 278, 326, 448, 556, 652, 896, 973, 1112, 1141, 1304, 1946, 2224, 2282, 2608, 3892, 4448, 4564, 5216, 7784, 8896, 9128, 10432, 15568, 17792, 18256, 20864, 22657, 31136, 36512, 45314, 62272, 73024, 90628, 124544, 146048, 158599, 181256, 317198, 362512, 634396, 725024, 1268792, 1450048, 2537584, 2900096, 5075168, 10150336, 20300672]

約数ペア:

[(1, 20300672), (2, 10150336), (4, 5075168), (7, 2900096), (8, 2537584), (14, 1450048), (16, 1268792), (28, 725024), (32, 634396), (56, 362512), (64, 317198), (112, 181256), (128, 158599), (139, 146048), (163, 124544), (224, 90628), (278, 73024), (326, 62272), (448, 45314), (556, 36512), (652, 31136), (896, 22657), (973, 20864), (1112, 18256), (1141, 17792), (1304, 15568), (1946, 10432), (2224, 9128), (2282, 8896), (2608, 7784), (3892, 5216), (4448, 4564)]