20203660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24503156

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 167, 230, 263, 334, 460, 526, 668, 835, 1052, 1315, 1670, 2630, 3340, 3841, 5260, 6049, 7682, 12098, 15364, 19205, 24196, 30245, 38410, 43921, 60490, 76820, 87842, 120980, 175684, 219605, 439210, 878420, 1010183, 2020366, 4040732, 5050915, 10101830, 20203660]

約数ペア:

[(1, 20203660), (2, 10101830), (4, 5050915), (5, 4040732), (10, 2020366), (20, 1010183), (23, 878420), (46, 439210), (92, 219605), (115, 175684), (167, 120980), (230, 87842), (263, 76820), (334, 60490), (460, 43921), (526, 38410), (668, 30245), (835, 24196), (1052, 19205), (1315, 15364), (1670, 12098), (2630, 7682), (3340, 6049), (3841, 5260)]