20189879890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1\times {\mathrm{56269}}^1$

素因数の和:57006

約数の個数: 32

約数和(自身を含む): 37082830320

約数和(自身を除く): 16892950430

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 677, 1354, 3385, 6770, 35881, 56269, 71762, 112538, 179405, 281345, 358810, 562690, 2982257, 5964514, 14911285, 29822570, 38094113, 76188226, 190470565, 380941130, 2018987989, 4037975978, 10094939945, 20189879890]

約数ペア:

[(1, 20189879890), (2, 10094939945), (5, 4037975978), (10, 2018987989), (53, 380941130), (106, 190470565), (265, 76188226), (530, 38094113), (677, 29822570), (1354, 14911285), (3385, 5964514), (6770, 2982257), (35881, 562690), (56269, 358810), (71762, 281345), (112538, 179405)]