20402805972

素因数分解:

$2^2\times 3^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1\times {\mathrm{3803}}^1$

素因数の和:5148

約数の個数: 48

約数和(自身を含む): 47761684992

約数和(自身を除く): 27358879020

約数列:

[1, 2, 3, 4, 6, 12, 647, 691, 1294, 1382, 1941, 2073, 2588, 2764, 3803, 3882, 4146, 7606, 7764, 8292, 11409, 15212, 22818, 45636, 447077, 894154, 1341231, 1788308, 2460541, 2627873, 2682462, 4921082, 5255746, 5364924, 7381623, 7883619, 9842164, 10511492, 14763246, 15767238, 29526492, 31534476, 1700233831, 3400467662, 5100701493, 6800935324, 10201402986, 20402805972]

約数ペア:

[(1, 20402805972), (2, 10201402986), (3, 6800935324), (4, 5100701493), (6, 3400467662), (12, 1700233831), (647, 31534476), (691, 29526492), (1294, 15767238), (1382, 14763246), (1941, 10511492), (2073, 9842164), (2588, 7883619), (2764, 7381623), (3803, 5364924), (3882, 5255746), (4146, 4921082), (7606, 2682462), (7764, 2627873), (8292, 2460541), (11409, 1788308), (15212, 1341231), (22818, 894154), (45636, 447077)]