20170708222

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{3433}}^1$

素因数の和:3793

約数の個数: 64

約数和(自身を含む): 36743030784

約数和(自身を除く): 16572322562

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 257, 322, 497, 514, 994, 1633, 1799, 3266, 3433, 3598, 5911, 6866, 11431, 11822, 18247, 22862, 24031, 36494, 41377, 48062, 78959, 82754, 127729, 157918, 243743, 255458, 419681, 487486, 552713, 839362, 882281, 1105426, 1706201, 1764562, 2937767, 3412402, 5606089, 5875534, 6175967, 11212178, 12351934, 20292463, 39242623, 40584926, 62641951, 78485246, 125283902, 142047241, 284094482, 438493657, 876987314, 1440764873, 2881529746, 10085354111, 20170708222]

約数ペア:

[(1, 20170708222), (2, 10085354111), (7, 2881529746), (14, 1440764873), (23, 876987314), (46, 438493657), (71, 284094482), (142, 142047241), (161, 125283902), (257, 78485246), (322, 62641951), (497, 40584926), (514, 39242623), (994, 20292463), (1633, 12351934), (1799, 11212178), (3266, 6175967), (3433, 5875534), (3598, 5606089), (5911, 3412402), (6866, 2937767), (11431, 1764562), (11822, 1706201), (18247, 1105426), (22862, 882281), (24031, 839362), (36494, 552713), (41377, 487486), (48062, 419681), (78959, 255458), (82754, 243743), (127729, 157918)]