16920503432

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1\times {\mathrm{1493}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 36444038400

約数和(自身を除く): 19523534968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 461, 878, 922, 1493, 1756, 1844, 2986, 3073, 3227, 3512, 3688, 5972, 6146, 6454, 10451, 11944, 12292, 12908, 20902, 24584, 25816, 41804, 83608, 202379, 404758, 655427, 688273, 809516, 1310854, 1376546, 1416653, 1619032, 2621708, 2753092, 2833306, 4587989, 4817911, 5243416, 5506184, 5666612, 9175978, 9635822, 11333224, 18351956, 19271644, 36703912, 38543288, 302151847, 604303694, 1208607388, 2115062929, 2417214776, 4230125858, 8460251716, 16920503432]

約数ペア:

[(1, 16920503432), (2, 8460251716), (4, 4230125858), (7, 2417214776), (8, 2115062929), (14, 1208607388), (28, 604303694), (56, 302151847), (439, 38543288), (461, 36703912), (878, 19271644), (922, 18351956), (1493, 11333224), (1756, 9635822), (1844, 9175978), (2986, 5666612), (3073, 5506184), (3227, 5243416), (3512, 4817911), (3688, 4587989), (5972, 2833306), (6146, 2753092), (6454, 2621708), (10451, 1619032), (11944, 1416653), (12292, 1376546), (12908, 1310854), (20902, 809516), (24584, 688273), (25816, 655427), (41804, 404758), (83608, 202379)]