20145128874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:972

約数の個数: 96

約数和(自身を含む): 44200525824

約数和(自身を除く): 24055396950

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 311, 338, 381, 503, 507, 622, 762, 933, 1006, 1014, 1509, 1651, 1866, 3018, 3302, 4043, 4953, 6539, 8086, 9906, 12129, 13078, 19617, 21463, 24258, 39234, 39497, 42926, 52559, 63881, 64389, 78994, 85007, 105118, 118491, 127762, 128778, 156433, 157677, 170014, 191643, 236982, 255021, 312866, 315354, 383286, 469299, 510042, 513461, 830453, 938598, 1026922, 1540383, 1660906, 2033629, 2491359, 3080766, 4067258, 4982718, 6100887, 6674993, 10795889, 12201774, 13349986, 19866991, 20024979, 21591778, 26437177, 32387667, 39733982, 40049958, 52874354, 59600973, 64775334, 79311531, 119201946, 158623062, 258270883, 516541766, 774812649, 1549625298, 3357521479, 6715042958, 10072564437, 20145128874]

約数ペア:

[(1, 20145128874), (2, 10072564437), (3, 6715042958), (6, 3357521479), (13, 1549625298), (26, 774812649), (39, 516541766), (78, 258270883), (127, 158623062), (169, 119201946), (254, 79311531), (311, 64775334), (338, 59600973), (381, 52874354), (503, 40049958), (507, 39733982), (622, 32387667), (762, 26437177), (933, 21591778), (1006, 20024979), (1014, 19866991), (1509, 13349986), (1651, 12201774), (1866, 10795889), (3018, 6674993), (3302, 6100887), (4043, 4982718), (4953, 4067258), (6539, 3080766), (8086, 2491359), (9906, 2033629), (12129, 1660906), (13078, 1540383), (19617, 1026922), (21463, 938598), (24258, 830453), (39234, 513461), (39497, 510042), (42926, 469299), (52559, 383286), (63881, 315354), (64389, 312866), (78994, 255021), (85007, 236982), (105118, 191643), (118491, 170014), (127762, 157677), (128778, 156433)]