20139474915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{42257}}^1$

素因数の和:42381

約数の個数: 96

約数和(自身を含む): 42717767040

約数和(自身を除く): 22578292125

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 89, 105, 119, 153, 255, 267, 315, 357, 445, 595, 623, 765, 801, 1071, 1335, 1513, 1785, 1869, 3115, 4005, 4539, 5355, 5607, 7565, 9345, 10591, 13617, 22695, 28035, 31773, 42257, 52955, 68085, 95319, 126771, 158865, 211285, 295799, 380313, 476595, 633855, 718369, 887397, 1478995, 1901565, 2155107, 2662191, 3591845, 3760873, 4436985, 5028583, 6465321, 10775535, 11282619, 13310955, 15085749, 18804365, 25142915, 26326111, 32326605, 33847857, 45257247, 56413095, 63934841, 75428745, 78978333, 131630555, 169239285, 191804523, 226286235, 236934999, 319674205, 394891665, 447543887, 575413569, 959022615, 1184674995, 1342631661, 2237719435, 2877067845, 4027894983, 6713158305, 20139474915]

約数ペア:

[(1, 20139474915), (3, 6713158305), (5, 4027894983), (7, 2877067845), (9, 2237719435), (15, 1342631661), (17, 1184674995), (21, 959022615), (35, 575413569), (45, 447543887), (51, 394891665), (63, 319674205), (85, 236934999), (89, 226286235), (105, 191804523), (119, 169239285), (153, 131630555), (255, 78978333), (267, 75428745), (315, 63934841), (357, 56413095), (445, 45257247), (595, 33847857), (623, 32326605), (765, 26326111), (801, 25142915), (1071, 18804365), (1335, 15085749), (1513, 13310955), (1785, 11282619), (1869, 10775535), (3115, 6465321), (4005, 5028583), (4539, 4436985), (5355, 3760873), (5607, 3591845), (7565, 2662191), (9345, 2155107), (10591, 1901565), (13617, 1478995), (22695, 887397), (28035, 718369), (31773, 633855), (42257, 476595), (52955, 380313), (68085, 295799), (95319, 211285), (126771, 158865)]