20101900672

素因数分解:

$2^7\times 7^1\times {\mathrm{163}}^1\times {\mathrm{137639}}^1$

素因数の和:137823

約数の個数: 64

約数和(自身を含む): 46048838400

約数和(自身を除く): 25946937728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 163, 224, 326, 448, 652, 896, 1141, 1304, 2282, 2608, 4564, 5216, 9128, 10432, 18256, 20864, 36512, 73024, 137639, 146048, 275278, 550556, 963473, 1101112, 1926946, 2202224, 3853892, 4404448, 7707784, 8808896, 15415568, 17617792, 22435157, 30831136, 44870314, 61662272, 89740628, 123324544, 157046099, 179481256, 314092198, 358962512, 628184396, 717925024, 1256368792, 1435850048, 2512737584, 2871700096, 5025475168, 10050950336, 20101900672]

約数ペア:

[(1, 20101900672), (2, 10050950336), (4, 5025475168), (7, 2871700096), (8, 2512737584), (14, 1435850048), (16, 1256368792), (28, 717925024), (32, 628184396), (56, 358962512), (64, 314092198), (112, 179481256), (128, 157046099), (163, 123324544), (224, 89740628), (326, 61662272), (448, 44870314), (652, 30831136), (896, 22435157), (1141, 17617792), (1304, 15415568), (2282, 8808896), (2608, 7707784), (4564, 4404448), (5216, 3853892), (9128, 2202224), (10432, 1926946), (18256, 1101112), (20864, 963473), (36512, 550556), (73024, 275278), (137639, 146048)]