20213544

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 59754240

約数和(自身を除く): 39540696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 37, 39, 51, 52, 68, 74, 78, 102, 103, 104, 111, 136, 148, 156, 204, 206, 221, 222, 296, 309, 312, 408, 412, 442, 444, 481, 618, 629, 663, 824, 884, 888, 962, 1236, 1258, 1326, 1339, 1443, 1751, 1768, 1887, 1924, 2472, 2516, 2652, 2678, 2886, 3502, 3774, 3811, 3848, 4017, 5032, 5253, 5304, 5356, 5772, 7004, 7548, 7622, 8034, 8177, 10506, 10712, 11433, 11544, 14008, 15096, 15244, 16068, 16354, 21012, 22763, 22866, 24531, 30488, 32136, 32708, 42024, 45526, 45732, 49062, 49543, 64787, 65416, 68289, 91052, 91464, 98124, 99086, 129574, 136578, 148629, 182104, 194361, 196248, 198172, 259148, 273156, 297258, 388722, 396344, 518296, 546312, 594516, 777444, 842231, 1189032, 1554888, 1684462, 2526693, 3368924, 5053386, 6737848, 10106772, 20213544]

約数ペア:

[(1, 20213544), (2, 10106772), (3, 6737848), (4, 5053386), (6, 3368924), (8, 2526693), (12, 1684462), (13, 1554888), (17, 1189032), (24, 842231), (26, 777444), (34, 594516), (37, 546312), (39, 518296), (51, 396344), (52, 388722), (68, 297258), (74, 273156), (78, 259148), (102, 198172), (103, 196248), (104, 194361), (111, 182104), (136, 148629), (148, 136578), (156, 129574), (204, 99086), (206, 98124), (221, 91464), (222, 91052), (296, 68289), (309, 65416), (312, 64787), (408, 49543), (412, 49062), (442, 45732), (444, 45526), (481, 42024), (618, 32708), (629, 32136), (663, 30488), (824, 24531), (884, 22866), (888, 22763), (962, 21012), (1236, 16354), (1258, 16068), (1326, 15244), (1339, 15096), (1443, 14008), (1751, 11544), (1768, 11433), (1887, 10712), (1924, 10506), (2472, 8177), (2516, 8034), (2652, 7622), (2678, 7548), (2886, 7004), (3502, 5772), (3774, 5356), (3811, 5304), (3848, 5253), (4017, 5032)]