20008909521

素因数分解:

$3^3\times {\mathrm{251}}^1\times {\mathrm{421}}^1\times {\mathrm{7013}}^1$

素因数の和:7694

約数の個数: 32

約数和(自身を含む): 29835872640

約数和(自身を除く): 9826963119

約数列:

[1, 3, 9, 27, 251, 421, 753, 1263, 2259, 3789, 6777, 7013, 11367, 21039, 63117, 105671, 189351, 317013, 951039, 1760263, 2853117, 2952473, 5280789, 8857419, 15842367, 26572257, 47527101, 79716771, 741070723, 2223212169, 6669636507, 20008909521]

約数ペア:

[(1, 20008909521), (3, 6669636507), (9, 2223212169), (27, 741070723), (251, 79716771), (421, 47527101), (753, 26572257), (1263, 15842367), (2259, 8857419), (3789, 5280789), (6777, 2952473), (7013, 2853117), (11367, 1760263), (21039, 951039), (63117, 317013), (105671, 189351)]