20891124

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12347}}^1$

素因数の和:12404

約数の個数: 36

約数和(自身を含む): 53936064

約数和(自身を除く): 33044940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12347, 24694, 37041, 49388, 74082, 111123, 148164, 222246, 444492, 580309, 1160618, 1740927, 2321236, 3481854, 5222781, 6963708, 10445562, 20891124]

約数ペア:

[(1, 20891124), (2, 10445562), (3, 6963708), (4, 5222781), (6, 3481854), (9, 2321236), (12, 1740927), (18, 1160618), (36, 580309), (47, 444492), (94, 222246), (141, 148164), (188, 111123), (282, 74082), (423, 49388), (564, 37041), (846, 24694), (1692, 12347)]