20996858967

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1\times {\mathrm{48487}}^1$

素因数の和:49727

約数の個数: 32

約数和(自身を含む): 33905912832

約数和(自身を除く): 12909053865

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1213, 3639, 8491, 20621, 25473, 48487, 61863, 144347, 145461, 339409, 433041, 824279, 1018227, 2472837, 5769953, 17309859, 58814731, 176444193, 411703117, 999850427, 1235109351, 2999551281, 6998952989, 20996858967]

約数ペア:

[(1, 20996858967), (3, 6998952989), (7, 2999551281), (17, 1235109351), (21, 999850427), (51, 411703117), (119, 176444193), (357, 58814731), (1213, 17309859), (3639, 5769953), (8491, 2472837), (20621, 1018227), (25473, 824279), (48487, 433041), (61863, 339409), (144347, 145461)]