20113419790

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1231}}^1\times {\mathrm{2549}}^1$

素因数の和:4428

約数の個数: 32

約数和(自身を含む): 36304329600

約数和(自身を除く): 16190909810

約数列:

[1, 2, 5, 10, 641, 1231, 1282, 2462, 2549, 3205, 5098, 6155, 6410, 12310, 12745, 25490, 789071, 1578142, 1633909, 3137819, 3267818, 3945355, 6275638, 7890710, 8169545, 15689095, 16339090, 31378190, 2011341979, 4022683958, 10056709895, 20113419790]

約数ペア:

[(1, 20113419790), (2, 10056709895), (5, 4022683958), (10, 2011341979), (641, 31378190), (1231, 16339090), (1282, 15689095), (2462, 8169545), (2549, 7890710), (3205, 6275638), (5098, 3945355), (6155, 3267818), (6410, 3137819), (12310, 1633909), (12745, 1578142), (25490, 789071)]