20496636

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1321}}^1$

素因数の和:1762

約数の個数: 36

約数和(自身を含む): 51970464

約数和(自身を除く): 31473828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1321, 1724, 2586, 2642, 3879, 3963, 5172, 5284, 7758, 7926, 11889, 15516, 15852, 23778, 47556, 569351, 1138702, 1708053, 2277404, 3416106, 5124159, 6832212, 10248318, 20496636]

約数ペア:

[(1, 20496636), (2, 10248318), (3, 6832212), (4, 5124159), (6, 3416106), (9, 2277404), (12, 1708053), (18, 1138702), (36, 569351), (431, 47556), (862, 23778), (1293, 15852), (1321, 15516), (1724, 11889), (2586, 7926), (2642, 7758), (3879, 5284), (3963, 5172)]