20003860760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{227627}}^1$

素因数の和:227677

約数の個数: 64

約数和(自身を含む): 48757917600

約数和(自身を除く): 28754056840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3380, 4394, 6760, 8788, 10985, 17576, 21970, 43940, 87880, 227627, 455254, 910508, 1138135, 1821016, 2276270, 2959151, 4552540, 5918302, 9105080, 11836604, 14795755, 23673208, 29591510, 38468963, 59183020, 76937926, 118366040, 153875852, 192344815, 307751704, 384689630, 500096519, 769379260, 1000193038, 1538758520, 2000386076, 2500482595, 4000772152, 5000965190, 10001930380, 20003860760]

約数ペア:

[(1, 20003860760), (2, 10001930380), (4, 5000965190), (5, 4000772152), (8, 2500482595), (10, 2000386076), (13, 1538758520), (20, 1000193038), (26, 769379260), (40, 500096519), (52, 384689630), (65, 307751704), (104, 192344815), (130, 153875852), (169, 118366040), (260, 76937926), (338, 59183020), (520, 38468963), (676, 29591510), (845, 23673208), (1352, 14795755), (1690, 11836604), (2197, 9105080), (3380, 5918302), (4394, 4552540), (6760, 2959151), (8788, 2276270), (10985, 1821016), (17576, 1138135), (21970, 910508), (43940, 455254), (87880, 227627)]