20047140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111373}}^1$

素因数の和:111388

約数の個数: 36

約数和(自身を含む): 60810204

約数和(自身を除く): 40763064

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111373, 222746, 334119, 445492, 556865, 668238, 1002357, 1113730, 1336476, 1670595, 2004714, 2227460, 3341190, 4009428, 5011785, 6682380, 10023570, 20047140]

約数ペア:

[(1, 20047140), (2, 10023570), (3, 6682380), (4, 5011785), (5, 4009428), (6, 3341190), (9, 2227460), (10, 2004714), (12, 1670595), (15, 1336476), (18, 1113730), (20, 1002357), (30, 668238), (36, 556865), (45, 445492), (60, 334119), (90, 222746), (180, 111373)]