20826855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22039}}^1$

素因数の和:22060

約数の個数: 32

約数和(自身を含む): 42316800

約数和(自身を除く): 21489945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22039, 66117, 110195, 154273, 198351, 330585, 462819, 595053, 771365, 991755, 1388457, 2314095, 2975265, 4165371, 6942285, 20826855]

約数ペア:

[(1, 20826855), (3, 6942285), (5, 4165371), (7, 2975265), (9, 2314095), (15, 1388457), (21, 991755), (27, 771365), (35, 595053), (45, 462819), (63, 330585), (105, 198351), (135, 154273), (189, 110195), (315, 66117), (945, 22039)]