20783412

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 38204748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 113, 117, 131, 156, 226, 234, 262, 339, 351, 393, 452, 468, 524, 678, 702, 786, 1017, 1179, 1356, 1404, 1469, 1572, 1703, 2034, 2358, 2938, 3051, 3406, 3537, 4068, 4407, 4716, 5109, 5876, 6102, 6812, 7074, 8814, 10218, 12204, 13221, 14148, 14803, 15327, 17628, 20436, 26442, 29606, 30654, 39663, 44409, 45981, 52884, 59212, 61308, 79326, 88818, 91962, 133227, 158652, 177636, 183924, 192439, 266454, 384878, 399681, 532908, 577317, 769756, 799362, 1154634, 1598724, 1731951, 2309268, 3463902, 5195853, 6927804, 10391706, 20783412]

約数ペア:

[(1, 20783412), (2, 10391706), (3, 6927804), (4, 5195853), (6, 3463902), (9, 2309268), (12, 1731951), (13, 1598724), (18, 1154634), (26, 799362), (27, 769756), (36, 577317), (39, 532908), (52, 399681), (54, 384878), (78, 266454), (108, 192439), (113, 183924), (117, 177636), (131, 158652), (156, 133227), (226, 91962), (234, 88818), (262, 79326), (339, 61308), (351, 59212), (393, 52884), (452, 45981), (468, 44409), (524, 39663), (678, 30654), (702, 29606), (786, 26442), (1017, 20436), (1179, 17628), (1356, 15327), (1404, 14803), (1469, 14148), (1572, 13221), (1703, 12204), (2034, 10218), (2358, 8814), (2938, 7074), (3051, 6812), (3406, 6102), (3537, 5876), (4068, 5109), (4407, 4716)]