20567816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19089784

約数列:

[1, 2, 4, 8, 53, 106, 179, 212, 271, 358, 424, 542, 716, 1084, 1432, 2168, 9487, 14363, 18974, 28726, 37948, 48509, 57452, 75896, 97018, 114904, 194036, 388072, 2570977, 5141954, 10283908, 20567816]

約数ペア:

[(1, 20567816), (2, 10283908), (4, 5141954), (8, 2570977), (53, 388072), (106, 194036), (179, 114904), (212, 97018), (271, 75896), (358, 57452), (424, 48509), (542, 37948), (716, 28726), (1084, 18974), (1432, 14363), (2168, 9487)]