20178391030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1\times {\mathrm{2857}}^1$

素因数の和:3653

約数の個数: 64

約数和(自身を含む): 41846607360

約数和(自身を除く): 21668216330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 619, 815, 1141, 1238, 1630, 2282, 2857, 3095, 4333, 5705, 5714, 6190, 8666, 11410, 14285, 19999, 21665, 28570, 39998, 43330, 99995, 100897, 199990, 201794, 465691, 504485, 706279, 931382, 1008970, 1412558, 1768483, 2328455, 3259837, 3531395, 3536966, 4656910, 6519674, 7062790, 8842415, 12379381, 16299185, 17684830, 24758762, 32598370, 61896905, 123793810, 288262729, 576525458, 1441313645, 2017839103, 2882627290, 4035678206, 10089195515, 20178391030]

約数ペア:

[(1, 20178391030), (2, 10089195515), (5, 4035678206), (7, 2882627290), (10, 2017839103), (14, 1441313645), (35, 576525458), (70, 288262729), (163, 123793810), (326, 61896905), (619, 32598370), (815, 24758762), (1141, 17684830), (1238, 16299185), (1630, 12379381), (2282, 8842415), (2857, 7062790), (3095, 6519674), (4333, 4656910), (5705, 3536966), (5714, 3531395), (6190, 3259837), (8666, 2328455), (11410, 1768483), (14285, 1412558), (19999, 1008970), (21665, 931382), (28570, 706279), (39998, 504485), (43330, 465691), (99995, 201794), (100897, 199990)]