20521008

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4642

約数の個数: 60

約数和(自身を含む): 59295808

約数和(自身を除く): 38774800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4597, 9194, 13791, 18388, 27582, 36776, 41373, 55164, 73552, 82746, 110328, 142507, 165492, 220656, 285014, 330984, 427521, 570028, 661968, 855042, 1140056, 1282563, 1710084, 2280112, 2565126, 3420168, 5130252, 6840336, 10260504, 20521008]

約数ペア:

[(1, 20521008), (2, 10260504), (3, 6840336), (4, 5130252), (6, 3420168), (8, 2565126), (9, 2280112), (12, 1710084), (16, 1282563), (18, 1140056), (24, 855042), (31, 661968), (36, 570028), (48, 427521), (62, 330984), (72, 285014), (93, 220656), (124, 165492), (144, 142507), (186, 110328), (248, 82746), (279, 73552), (372, 55164), (496, 41373), (558, 36776), (744, 27582), (1116, 18388), (1488, 13791), (2232, 9194), (4464, 4597)]