20818442828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5018911}}^1$

素因数の和:5018993

約数の個数: 24

約数和(自身を含む): 39207740544

約数和(自身を除く): 18389297716

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 5018911, 10037822, 20075644, 85321487, 170642974, 306153571, 341285948, 612307142, 1224614284, 5204610707, 10409221414, 20818442828]

約数ペア:

[(1, 20818442828), (2, 10409221414), (4, 5204610707), (17, 1224614284), (34, 612307142), (61, 341285948), (68, 306153571), (122, 170642974), (244, 85321487), (1037, 20075644), (2074, 10037822), (4148, 5018911)]