20376590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3823}}^1$

素因数の和:3884

約数の個数: 32

約数和(自身を含む): 40473216

約数和(自身を除く): 20096626

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3823, 5330, 7646, 19115, 38230, 49699, 99398, 156743, 248495, 313486, 496990, 783715, 1567430, 2037659, 4075318, 10188295, 20376590]

約数ペア:

[(1, 20376590), (2, 10188295), (5, 4075318), (10, 2037659), (13, 1567430), (26, 783715), (41, 496990), (65, 313486), (82, 248495), (130, 156743), (205, 99398), (410, 49699), (533, 38230), (1066, 19115), (2665, 7646), (3823, 5330)]