20170166980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{47279}}^1$

素因数の和:47628

約数の個数: 48

約数和(自身を含む): 43035390720

約数和(自身を除く): 22865223740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 257, 332, 415, 514, 830, 1028, 1285, 1660, 2570, 5140, 21331, 42662, 47279, 85324, 94558, 106655, 189116, 213310, 236395, 426620, 472790, 945580, 3924157, 7848314, 12150703, 15696628, 19620785, 24301406, 39241570, 48602812, 60753515, 78483140, 121507030, 243014060, 1008508349, 2017016698, 4034033396, 5042541745, 10085083490, 20170166980]

約数ペア:

[(1, 20170166980), (2, 10085083490), (4, 5042541745), (5, 4034033396), (10, 2017016698), (20, 1008508349), (83, 243014060), (166, 121507030), (257, 78483140), (332, 60753515), (415, 48602812), (514, 39241570), (830, 24301406), (1028, 19620785), (1285, 15696628), (1660, 12150703), (2570, 7848314), (5140, 3924157), (21331, 945580), (42662, 472790), (47279, 426620), (85324, 236395), (94558, 213310), (106655, 189116)]