20289432

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^2$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 53949240

約数和(自身を除く): 33659808

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 223, 408, 446, 669, 892, 1338, 1784, 2676, 3791, 5352, 7582, 11373, 15164, 22746, 30328, 45492, 49729, 90984, 99458, 149187, 198916, 298374, 397832, 596748, 845393, 1193496, 1690786, 2536179, 3381572, 5072358, 6763144, 10144716, 20289432]

約数ペア:

[(1, 20289432), (2, 10144716), (3, 6763144), (4, 5072358), (6, 3381572), (8, 2536179), (12, 1690786), (17, 1193496), (24, 845393), (34, 596748), (51, 397832), (68, 298374), (102, 198916), (136, 149187), (204, 99458), (223, 90984), (408, 49729), (446, 45492), (669, 30328), (892, 22746), (1338, 15164), (1784, 11373), (2676, 7582), (3791, 5352)]