20171193220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1\times {\mathrm{8461}}^1$

素因数の和:9268

約数の個数: 48

約数和(自身を含む): 42648480000

約数和(自身を除く): 22477286780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 599, 796, 995, 1198, 1990, 2396, 2995, 3980, 5990, 8461, 11980, 16922, 33844, 42305, 84610, 119201, 169220, 238402, 476804, 596005, 1192010, 1683739, 2384020, 3367478, 5068139, 6734956, 8418695, 10136278, 16837390, 20272556, 25340695, 33674780, 50681390, 101362780, 1008559661, 2017119322, 4034238644, 5042798305, 10085596610, 20171193220]

約数ペア:

[(1, 20171193220), (2, 10085596610), (4, 5042798305), (5, 4034238644), (10, 2017119322), (20, 1008559661), (199, 101362780), (398, 50681390), (599, 33674780), (796, 25340695), (995, 20272556), (1198, 16837390), (1990, 10136278), (2396, 8418695), (2995, 6734956), (3980, 5068139), (5990, 3367478), (8461, 2384020), (11980, 1683739), (16922, 1192010), (33844, 596005), (42305, 476804), (84610, 238402), (119201, 169220)]