20171617820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{328421}}^1$

素因数の和:328550

約数の個数: 48

約数和(自身を含む): 44029567008

約数和(自身を除く): 23857949188

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 740, 830, 1660, 3071, 6142, 12284, 15355, 30710, 61420, 328421, 656842, 1313684, 1642105, 3284210, 6568420, 12151577, 24303154, 27258943, 48606308, 54517886, 60757885, 109035772, 121515770, 136294715, 243031540, 272589430, 545178860, 1008580891, 2017161782, 4034323564, 5042904455, 10085808910, 20171617820]

約数ペア:

[(1, 20171617820), (2, 10085808910), (4, 5042904455), (5, 4034323564), (10, 2017161782), (20, 1008580891), (37, 545178860), (74, 272589430), (83, 243031540), (148, 136294715), (166, 121515770), (185, 109035772), (332, 60757885), (370, 54517886), (415, 48606308), (740, 27258943), (830, 24303154), (1660, 12151577), (3071, 6568420), (6142, 3284210), (12284, 1642105), (15355, 1313684), (30710, 656842), (61420, 328421)]