20121691065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41203}}^1\times {\mathrm{4651}}^1$

素因数の和:45869

約数の個数: 32

約数和(自身を含む): 36802753536

約数和(自身を除く): 16681062471

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 4651, 13953, 23255, 32557, 41203, 69765, 97671, 123609, 162785, 206015, 288421, 488355, 618045, 865263, 1442105, 4326315, 191635153, 574905459, 958175765, 1341446071, 2874527295, 4024338213, 6707230355, 20121691065]

約数ペア:

[(1, 20121691065), (3, 6707230355), (5, 4024338213), (7, 2874527295), (15, 1341446071), (21, 958175765), (35, 574905459), (105, 191635153), (4651, 4326315), (13953, 1442105), (23255, 865263), (32557, 618045), (41203, 488355), (69765, 288421), (97671, 206015), (123609, 162785)]