20453280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42611}}^1$

素因数の和:42629

約数の個数: 48

約数和(自身を含む): 64429344

約数和(自身を除く): 43976064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42611, 85222, 127833, 170444, 213055, 255666, 340888, 426110, 511332, 639165, 681776, 852220, 1022664, 1278330, 1363552, 1704440, 2045328, 2556660, 3408880, 4090656, 5113320, 6817760, 10226640, 20453280]

約数ペア:

[(1, 20453280), (2, 10226640), (3, 6817760), (4, 5113320), (5, 4090656), (6, 3408880), (8, 2556660), (10, 2045328), (12, 1704440), (15, 1363552), (16, 1278330), (20, 1022664), (24, 852220), (30, 681776), (32, 639165), (40, 511332), (48, 426110), (60, 340888), (80, 255666), (96, 213055), (120, 170444), (160, 127833), (240, 85222), (480, 42611)]