20740804545

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1\times {\mathrm{49367}}^1$

素因数の和:50169

約数の個数: 32

約数和(自身を含む): 34127900928

約数和(自身を除く): 13387096383

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 757, 2271, 3785, 11355, 28009, 49367, 84027, 140045, 148101, 246835, 420135, 740505, 1826579, 5479737, 9132895, 27398685, 37370819, 112112457, 186854095, 560562285, 1382720303, 4148160909, 6913601515, 20740804545]

約数ペア:

[(1, 20740804545), (3, 6913601515), (5, 4148160909), (15, 1382720303), (37, 560562285), (111, 186854095), (185, 112112457), (555, 37370819), (757, 27398685), (2271, 9132895), (3785, 5479737), (11355, 1826579), (28009, 740505), (49367, 420135), (84027, 246835), (140045, 148101)]