20931844255

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{530659}}^1$

素因数の和:530708

約数の個数: 32

約数和(自身を含む): 30566016000

約数和(自身を除く): 9634171745

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 5635, 7889, 39445, 530659, 2653295, 3714613, 12205157, 18573065, 26002291, 61025785, 85436099, 130011455, 182016037, 427180495, 598052693, 910080185, 2990263465, 4186368851, 20931844255]

約数ペア:

[(1, 20931844255), (5, 4186368851), (7, 2990263465), (23, 910080185), (35, 598052693), (49, 427180495), (115, 182016037), (161, 130011455), (245, 85436099), (343, 61025785), (805, 26002291), (1127, 18573065), (1715, 12205157), (5635, 3714613), (7889, 2653295), (39445, 530659)]