20218281118

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{36887}}^1$

素因数の和:36974

約数の個数: 64

約数和(自身を含む): 38245478400

約数和(自身を除く): 18027197282

約数列:

[1, 2, 7, 14, 17, 34, 47, 49, 94, 98, 119, 238, 329, 343, 658, 686, 799, 833, 1598, 1666, 2303, 4606, 5593, 5831, 11186, 11662, 16121, 32242, 36887, 39151, 73774, 78302, 258209, 274057, 516418, 548114, 627079, 1254158, 1733689, 1807463, 3467378, 3614926, 4389553, 8779106, 12135823, 12652241, 24271646, 25304482, 29472713, 30726871, 58945426, 61453742, 84950761, 169901522, 206308991, 215088097, 412617982, 430176194, 594655327, 1189310654, 1444162937, 2888325874, 10109140559, 20218281118]

約数ペア:

[(1, 20218281118), (2, 10109140559), (7, 2888325874), (14, 1444162937), (17, 1189310654), (34, 594655327), (47, 430176194), (49, 412617982), (94, 215088097), (98, 206308991), (119, 169901522), (238, 84950761), (329, 61453742), (343, 58945426), (658, 30726871), (686, 29472713), (799, 25304482), (833, 24271646), (1598, 12652241), (1666, 12135823), (2303, 8779106), (4606, 4389553), (5593, 3614926), (5831, 3467378), (11186, 1807463), (11662, 1733689), (16121, 1254158), (32242, 627079), (36887, 548114), (39151, 516418), (73774, 274057), (78302, 258209)]