20537034

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 48103104

約数和(自身を除く): 27566070

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 97, 142, 194, 213, 291, 426, 497, 582, 679, 994, 1358, 1491, 2037, 2982, 4074, 5041, 6887, 10082, 13774, 15123, 20661, 30246, 35287, 41322, 48209, 70574, 96418, 105861, 144627, 211722, 289254, 488977, 977954, 1466931, 2933862, 3422839, 6845678, 10268517, 20537034]

約数ペア:

[(1, 20537034), (2, 10268517), (3, 6845678), (6, 3422839), (7, 2933862), (14, 1466931), (21, 977954), (42, 488977), (71, 289254), (97, 211722), (142, 144627), (194, 105861), (213, 96418), (291, 70574), (426, 48209), (497, 41322), (582, 35287), (679, 30246), (994, 20661), (1358, 15123), (1491, 13774), (2037, 10082), (2982, 6887), (4074, 5041)]