20131248752

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3485327}}^1$

素因数の和:3485373

約数の個数: 30

約数和(自身を含む): 41165209008

約数和(自身を除く): 21033960256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 3485327, 6970654, 13941308, 27882616, 55765232, 66221213, 132442426, 264884852, 529769704, 1059539408, 1258203047, 2516406094, 5032812188, 10065624376, 20131248752]

約数ペア:

[(1, 20131248752), (2, 10065624376), (4, 5032812188), (8, 2516406094), (16, 1258203047), (19, 1059539408), (38, 529769704), (76, 264884852), (152, 132442426), (304, 66221213), (361, 55765232), (722, 27882616), (1444, 13941308), (2888, 6970654), (5776, 3485327)]