20937676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1889}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 18117284

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1889, 2771, 3778, 5542, 7556, 11084, 32113, 64226, 128452, 307907, 615814, 1231628, 5234419, 10468838, 20937676]

約数ペア:

[(1, 20937676), (2, 10468838), (4, 5234419), (17, 1231628), (34, 615814), (68, 307907), (163, 128452), (326, 64226), (652, 32113), (1889, 11084), (2771, 7556), (3778, 5542)]