20197101500

素因数分解:

$2^2\times 5^3\times {\mathrm{461}}^1\times {\mathrm{87623}}^1$

素因数の和:88103

約数の個数: 48

約数和(自身を含む): 44206658496

約数和(自身を除く): 24009556996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 461, 500, 922, 1844, 2305, 4610, 9220, 11525, 23050, 46100, 57625, 87623, 115250, 175246, 230500, 350492, 438115, 876230, 1752460, 2190575, 4381150, 8762300, 10952875, 21905750, 40394203, 43811500, 80788406, 161576812, 201971015, 403942030, 807884060, 1009855075, 2019710150, 4039420300, 5049275375, 10098550750, 20197101500]

約数ペア:

[(1, 20197101500), (2, 10098550750), (4, 5049275375), (5, 4039420300), (10, 2019710150), (20, 1009855075), (25, 807884060), (50, 403942030), (100, 201971015), (125, 161576812), (250, 80788406), (461, 43811500), (500, 40394203), (922, 21905750), (1844, 10952875), (2305, 8762300), (4610, 4381150), (9220, 2190575), (11525, 1752460), (23050, 876230), (46100, 438115), (57625, 350492), (87623, 230500), (115250, 175246)]