20697366910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{9431}}^1$

素因数の和:9801

約数の個数: 64

約数和(自身を含む): 41365582848

約数和(自身を除く): 20668215938

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 281, 355, 562, 710, 781, 1405, 1562, 2810, 3091, 3905, 6182, 7810, 9431, 15455, 18862, 19951, 30910, 39902, 47155, 94310, 99755, 103741, 199510, 207482, 219461, 438922, 518705, 669601, 1037410, 1097305, 1339202, 2194610, 2650111, 3348005, 5300222, 6696010, 7365611, 13250555, 14731222, 26501110, 29151221, 36828055, 58302442, 73656110, 145756105, 188157881, 291512210, 376315762, 940789405, 1881578810, 2069736691, 4139473382, 10348683455, 20697366910]

約数ペア:

[(1, 20697366910), (2, 10348683455), (5, 4139473382), (10, 2069736691), (11, 1881578810), (22, 940789405), (55, 376315762), (71, 291512210), (110, 188157881), (142, 145756105), (281, 73656110), (355, 58302442), (562, 36828055), (710, 29151221), (781, 26501110), (1405, 14731222), (1562, 13250555), (2810, 7365611), (3091, 6696010), (3905, 5300222), (6182, 3348005), (7810, 2650111), (9431, 2194610), (15455, 1339202), (18862, 1097305), (19951, 1037410), (30910, 669601), (39902, 518705), (47155, 438922), (94310, 219461), (99755, 207482), (103741, 199510)]