20382258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 25743822

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 59, 78, 86, 103, 118, 129, 177, 206, 258, 309, 354, 559, 618, 767, 1118, 1339, 1534, 1677, 2301, 2537, 2678, 3354, 4017, 4429, 4602, 5074, 6077, 7611, 8034, 8858, 12154, 13287, 15222, 18231, 26574, 32981, 36462, 57577, 65962, 79001, 98943, 115154, 158002, 172731, 197886, 237003, 261311, 345462, 474006, 522622, 783933, 1567866, 3397043, 6794086, 10191129, 20382258]

約数ペア:

[(1, 20382258), (2, 10191129), (3, 6794086), (6, 3397043), (13, 1567866), (26, 783933), (39, 522622), (43, 474006), (59, 345462), (78, 261311), (86, 237003), (103, 197886), (118, 172731), (129, 158002), (177, 115154), (206, 98943), (258, 79001), (309, 65962), (354, 57577), (559, 36462), (618, 32981), (767, 26574), (1118, 18231), (1339, 15222), (1534, 13287), (1677, 12154), (2301, 8858), (2537, 8034), (2678, 7611), (3354, 6077), (4017, 5074), (4429, 4602)]