20228565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 17557035

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4099, 4935, 12297, 20495, 28693, 61485, 86079, 143465, 192653, 430395, 577959, 963265, 1348571, 2889795, 4045713, 6742855, 20228565]

約数ペア:

[(1, 20228565), (3, 6742855), (5, 4045713), (7, 2889795), (15, 1348571), (21, 963265), (35, 577959), (47, 430395), (105, 192653), (141, 143465), (235, 86079), (329, 61485), (705, 28693), (987, 20495), (1645, 12297), (4099, 4935)]