20214893384

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{79669}}^1$

素因数の和:79902

約数の個数: 64

約数和(自身を含む): 45431020800

約数和(自身を除く): 25216127416

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 197, 322, 394, 644, 788, 1288, 1379, 1576, 2758, 4531, 5516, 9062, 11032, 18124, 31717, 36248, 63434, 79669, 126868, 159338, 253736, 318676, 557683, 637352, 1115366, 1832387, 2230732, 3664774, 4461464, 7329548, 12826709, 14659096, 15694793, 25653418, 31389586, 51306836, 62779172, 102613672, 109863551, 125558344, 219727102, 360980239, 439454204, 721960478, 878908408, 1443920956, 2526861673, 2887841912, 5053723346, 10107446692, 20214893384]

約数ペア:

[(1, 20214893384), (2, 10107446692), (4, 5053723346), (7, 2887841912), (8, 2526861673), (14, 1443920956), (23, 878908408), (28, 721960478), (46, 439454204), (56, 360980239), (92, 219727102), (161, 125558344), (184, 109863551), (197, 102613672), (322, 62779172), (394, 51306836), (644, 31389586), (788, 25653418), (1288, 15694793), (1379, 14659096), (1576, 12826709), (2758, 7329548), (4531, 4461464), (5516, 3664774), (9062, 2230732), (11032, 1832387), (18124, 1115366), (31717, 637352), (36248, 557683), (63434, 318676), (79669, 253736), (126868, 159338)]