20883405

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15643}}^1$

素因数の和:15740

約数の個数: 16

約数和(自身を含む): 33791040

約数和(自身を除く): 12907635

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15643, 46929, 78215, 234645, 1392227, 4176681, 6961135, 20883405]

約数ペア:

[(1, 20883405), (3, 6961135), (5, 4176681), (15, 1392227), (89, 234645), (267, 78215), (445, 46929), (1335, 15643)]