20219827509

素因数分解:

$3^2\times 7^2\times {\mathrm{619}}^1\times {\mathrm{74071}}^1$

素因数の和:74710

約数の個数: 36

約数和(自身を含む): 34030158240

約数和(自身を除く): 13810330731

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 619, 1857, 4333, 5571, 12999, 30331, 38997, 74071, 90993, 222213, 272979, 518497, 666639, 1555491, 3629479, 4666473, 10888437, 32665311, 45849949, 137549847, 320949643, 412649541, 962848929, 2246647501, 2888546787, 6739942503, 20219827509]

約数ペア:

[(1, 20219827509), (3, 6739942503), (7, 2888546787), (9, 2246647501), (21, 962848929), (49, 412649541), (63, 320949643), (147, 137549847), (441, 45849949), (619, 32665311), (1857, 10888437), (4333, 4666473), (5571, 3629479), (12999, 1555491), (30331, 666639), (38997, 518497), (74071, 272979), (90993, 222213)]