20955495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16058265

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1335, 1427, 2937, 4281, 4895, 7135, 14685, 15697, 21405, 47091, 78485, 127003, 235455, 381009, 635015, 1397033, 1905045, 4191099, 6985165, 20955495]

約数ペア:

[(1, 20955495), (3, 6985165), (5, 4191099), (11, 1905045), (15, 1397033), (33, 635015), (55, 381009), (89, 235455), (165, 127003), (267, 78485), (445, 47091), (979, 21405), (1335, 15697), (1427, 14685), (2937, 7135), (4281, 4895)]