20154564346

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{857}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 35772751872

約数和(自身を除く): 15618187526

約数列:

[1, 2, 7, 14, 47, 94, 103, 206, 329, 347, 658, 694, 721, 857, 1442, 1714, 2429, 4841, 4858, 5999, 9682, 11998, 16309, 32618, 33887, 35741, 40279, 67774, 71482, 80558, 88271, 114163, 176542, 228326, 250187, 281953, 297379, 500374, 563906, 594758, 617897, 1235794, 1679827, 2081653, 3359654, 4148737, 4163306, 8297474, 11758789, 13976813, 23517578, 27953626, 29041159, 30630037, 58082318, 61260074, 97837691, 195675382, 214410259, 428820518, 1439611739, 2879223478, 10077282173, 20154564346]

約数ペア:

[(1, 20154564346), (2, 10077282173), (7, 2879223478), (14, 1439611739), (47, 428820518), (94, 214410259), (103, 195675382), (206, 97837691), (329, 61260074), (347, 58082318), (658, 30630037), (694, 29041159), (721, 27953626), (857, 23517578), (1442, 13976813), (1714, 11758789), (2429, 8297474), (4841, 4163306), (4858, 4148737), (5999, 3359654), (9682, 2081653), (11998, 1679827), (16309, 1235794), (32618, 617897), (33887, 594758), (35741, 563906), (40279, 500374), (67774, 297379), (71482, 281953), (80558, 250187), (88271, 228326), (114163, 176542)]