201350020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{165041}}^1$

素因数の和:165111

約数の個数: 24

約数和(自身を含む): 429769368

約数和(自身を除く): 228419348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 165041, 330082, 660164, 825205, 1650410, 3300820, 10067501, 20135002, 40270004, 50337505, 100675010, 201350020]

約数ペア:

[(1, 201350020), (2, 100675010), (4, 50337505), (5, 40270004), (10, 20135002), (20, 10067501), (61, 3300820), (122, 1650410), (244, 825205), (305, 660164), (610, 330082), (1220, 165041)]