20941431

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 12678537

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 227, 483, 573, 681, 1337, 1589, 4011, 4393, 4767, 5221, 13179, 15663, 30751, 36547, 43357, 92253, 109641, 130071, 303499, 910497, 997211, 2991633, 6980477, 20941431]

約数ペア:

[(1, 20941431), (3, 6980477), (7, 2991633), (21, 997211), (23, 910497), (69, 303499), (161, 130071), (191, 109641), (227, 92253), (483, 43357), (573, 36547), (681, 30751), (1337, 15663), (1589, 13179), (4011, 5221), (4393, 4767)]