20180699388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1151}}^1\times {\mathrm{28649}}^1$

素因数の和:29827

約数の個数: 72

約数和(自身を含む): 54061862400

約数和(自身を除く): 33881163012

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 1151, 2302, 3453, 4604, 6906, 10359, 13812, 19567, 20718, 28649, 39134, 41436, 57298, 58701, 78268, 85947, 114596, 117402, 171894, 176103, 234804, 257841, 343788, 352206, 487033, 515682, 704412, 974066, 1031364, 1461099, 1948132, 2922198, 4383297, 5844396, 8766594, 17533188, 32974999, 65949998, 98924997, 131899996, 197849994, 296774991, 395699988, 560574983, 593549982, 1121149966, 1187099964, 1681724949, 2242299932, 3363449898, 5045174847, 6726899796, 10090349694, 20180699388]

約数ペア:

[(1, 20180699388), (2, 10090349694), (3, 6726899796), (4, 5045174847), (6, 3363449898), (9, 2242299932), (12, 1681724949), (17, 1187099964), (18, 1121149966), (34, 593549982), (36, 560574983), (51, 395699988), (68, 296774991), (102, 197849994), (153, 131899996), (204, 98924997), (306, 65949998), (612, 32974999), (1151, 17533188), (2302, 8766594), (3453, 5844396), (4604, 4383297), (6906, 2922198), (10359, 1948132), (13812, 1461099), (19567, 1031364), (20718, 974066), (28649, 704412), (39134, 515682), (41436, 487033), (57298, 352206), (58701, 343788), (78268, 257841), (85947, 234804), (114596, 176103), (117402, 171894)]