19706120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70379}}^1$

素因数の和:70397

約数の個数: 32

約数和(自身を含む): 50673600

約数和(自身を除く): 30967480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70379, 140758, 281516, 351895, 492653, 563032, 703790, 985306, 1407580, 1970612, 2463265, 2815160, 3941224, 4926530, 9853060, 19706120]

約数ペア:

[(1, 19706120), (2, 9853060), (4, 4926530), (5, 3941224), (7, 2815160), (8, 2463265), (10, 1970612), (14, 1407580), (20, 985306), (28, 703790), (35, 563032), (40, 492653), (56, 351895), (70, 281516), (140, 140758), (280, 70379)]