202040020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3641

約数の個数: 96

約数和(自身を含む): 539191296

約数和(自身を除く): 337151276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 3581, 4030, 4340, 5642, 7162, 8060, 11284, 14105, 14324, 17905, 25067, 28210, 35810, 46553, 50134, 56420, 71620, 93106, 100268, 111011, 125335, 186212, 222022, 232765, 250670, 325871, 444044, 465530, 501340, 555055, 651742, 777077, 931060, 1110110, 1303484, 1443143, 1554154, 1629355, 2220220, 2886286, 3108308, 3258710, 3885385, 5772572, 6517420, 7215715, 7770770, 10102001, 14431430, 15541540, 20204002, 28862860, 40408004, 50510005, 101020010, 202040020]

約数ペア:

[(1, 202040020), (2, 101020010), (4, 50510005), (5, 40408004), (7, 28862860), (10, 20204002), (13, 15541540), (14, 14431430), (20, 10102001), (26, 7770770), (28, 7215715), (31, 6517420), (35, 5772572), (52, 3885385), (62, 3258710), (65, 3108308), (70, 2886286), (91, 2220220), (124, 1629355), (130, 1554154), (140, 1443143), (155, 1303484), (182, 1110110), (217, 931060), (260, 777077), (310, 651742), (364, 555055), (403, 501340), (434, 465530), (455, 444044), (620, 325871), (806, 250670), (868, 232765), (910, 222022), (1085, 186212), (1612, 125335), (1820, 111011), (2015, 100268), (2170, 93106), (2821, 71620), (3581, 56420), (4030, 50134), (4340, 46553), (5642, 35810), (7162, 28210), (8060, 25067), (11284, 17905), (14105, 14324)]