20072648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3989}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 40937400

約数和(自身を除く): 20864752

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 3989, 5032, 7978, 15956, 31912, 67813, 135626, 147593, 271252, 295186, 542504, 590372, 1180744, 2509081, 5018162, 10036324, 20072648]

約数ペア:

[(1, 20072648), (2, 10036324), (4, 5018162), (8, 2509081), (17, 1180744), (34, 590372), (37, 542504), (68, 295186), (74, 271252), (136, 147593), (148, 135626), (296, 67813), (629, 31912), (1258, 15956), (2516, 7978), (3989, 5032)]