20161596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 59584000

約数和(自身を除く): 39422404

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 499, 518, 546, 777, 962, 998, 1036, 1092, 1443, 1497, 1554, 1924, 1996, 2886, 2994, 3108, 3367, 3493, 5772, 5988, 6487, 6734, 6986, 10101, 10479, 12974, 13468, 13972, 18463, 19461, 20202, 20958, 25948, 36926, 38922, 40404, 41916, 45409, 55389, 73852, 77844, 90818, 110778, 129241, 136227, 181636, 221556, 240019, 258482, 272454, 387723, 480038, 516964, 544908, 720057, 775446, 960076, 1440114, 1550892, 1680133, 2880228, 3360266, 5040399, 6720532, 10080798, 20161596]

約数ペア:

[(1, 20161596), (2, 10080798), (3, 6720532), (4, 5040399), (6, 3360266), (7, 2880228), (12, 1680133), (13, 1550892), (14, 1440114), (21, 960076), (26, 775446), (28, 720057), (37, 544908), (39, 516964), (42, 480038), (52, 387723), (74, 272454), (78, 258482), (84, 240019), (91, 221556), (111, 181636), (148, 136227), (156, 129241), (182, 110778), (222, 90818), (259, 77844), (273, 73852), (364, 55389), (444, 45409), (481, 41916), (499, 40404), (518, 38922), (546, 36926), (777, 25948), (962, 20958), (998, 20202), (1036, 19461), (1092, 18463), (1443, 13972), (1497, 13468), (1554, 12974), (1924, 10479), (1996, 10101), (2886, 6986), (2994, 6734), (3108, 6487), (3367, 5988), (3493, 5772)]