20175204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{521}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 54020736

約数和(自身を除く): 33845532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 461, 521, 922, 1042, 1383, 1563, 1844, 2084, 2766, 3126, 3227, 3647, 5532, 6252, 6454, 7294, 9681, 10941, 12908, 14588, 19362, 21882, 38724, 43764, 240181, 480362, 720543, 960724, 1441086, 1681267, 2882172, 3362534, 5043801, 6725068, 10087602, 20175204]

約数ペア:

[(1, 20175204), (2, 10087602), (3, 6725068), (4, 5043801), (6, 3362534), (7, 2882172), (12, 1681267), (14, 1441086), (21, 960724), (28, 720543), (42, 480362), (84, 240181), (461, 43764), (521, 38724), (922, 21882), (1042, 19362), (1383, 14588), (1563, 12908), (1844, 10941), (2084, 9681), (2766, 7294), (3126, 6454), (3227, 6252), (3647, 5532)]