20189165085

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{782981}}^1$

素因数の和:783186

約数の個数: 32

約数和(自身を含む): 36079810560

約数和(自身を除く): 15890645475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1719, 2865, 5157, 8595, 25785, 782981, 2348943, 3914905, 7046829, 11744715, 21140487, 35234145, 105702435, 149549371, 448648113, 747746855, 1345944339, 2243240565, 4037833017, 6729721695, 20189165085]

約数ペア:

[(1, 20189165085), (3, 6729721695), (5, 4037833017), (9, 2243240565), (15, 1345944339), (27, 747746855), (45, 448648113), (135, 149549371), (191, 105702435), (573, 35234145), (955, 21140487), (1719, 11744715), (2865, 7046829), (5157, 3914905), (8595, 2348943), (25785, 782981)]