20597655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 36179136

約数和(自身を除く): 15581481

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 1993, 2067, 3445, 5979, 9965, 10335, 25909, 29895, 77727, 105629, 129545, 316887, 388635, 528145, 1373177, 1584435, 4119531, 6865885, 20597655]

約数ペア:

[(1, 20597655), (3, 6865885), (5, 4119531), (13, 1584435), (15, 1373177), (39, 528145), (53, 388635), (65, 316887), (159, 129545), (195, 105629), (265, 77727), (689, 29895), (795, 25909), (1993, 10335), (2067, 9965), (3445, 5979)]