20999320904

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7271233}}^1$

素因数の和:7271277

約数の個数: 24

約数和(自身を含む): 41555102310

約数和(自身を除く): 20555781406

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7271233, 14542466, 29084932, 58169864, 138153427, 276306854, 552613708, 1105227416, 2624915113, 5249830226, 10499660452, 20999320904]

約数ペア:

[(1, 20999320904), (2, 10499660452), (4, 5249830226), (8, 2624915113), (19, 1105227416), (38, 552613708), (76, 276306854), (152, 138153427), (361, 58169864), (722, 29084932), (1444, 14542466), (2888, 7271233)]