20781350100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3298627}}^1$

素因数の和:3298654

約数の個数: 108

約数和(自身を含む): 74443436704

約数和(自身を除く): 53662086604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 3298627, 6597254, 9895881, 13194508, 16493135, 19791762, 23090389, 29687643, 32986270, 39583524, 46180778, 49479405, 59375286, 65972540, 69271167, 82465675, 92361556, 98958810, 115451945, 118750572, 138542334, 148438215, 164931350, 197917620, 207813501, 230903890, 247397025, 277084668, 296876430, 329862700, 346355835, 415627002, 461807780, 494794050, 577259725, 593752860, 692711670, 742191075, 831254004, 989588100, 1039067505, 1154519450, 1385423340, 1484382150, 1731779175, 2078135010, 2309038900, 2968764300, 3463558350, 4156270020, 5195337525, 6927116700, 10390675050, 20781350100]

約数ペア:

[(1, 20781350100), (2, 10390675050), (3, 6927116700), (4, 5195337525), (5, 4156270020), (6, 3463558350), (7, 2968764300), (9, 2309038900), (10, 2078135010), (12, 1731779175), (14, 1484382150), (15, 1385423340), (18, 1154519450), (20, 1039067505), (21, 989588100), (25, 831254004), (28, 742191075), (30, 692711670), (35, 593752860), (36, 577259725), (42, 494794050), (45, 461807780), (50, 415627002), (60, 346355835), (63, 329862700), (70, 296876430), (75, 277084668), (84, 247397025), (90, 230903890), (100, 207813501), (105, 197917620), (126, 164931350), (140, 148438215), (150, 138542334), (175, 118750572), (180, 115451945), (210, 98958810), (225, 92361556), (252, 82465675), (300, 69271167), (315, 65972540), (350, 59375286), (420, 49479405), (450, 46180778), (525, 39583524), (630, 32986270), (700, 29687643), (900, 23090389), (1050, 19791762), (1260, 16493135), (1575, 13194508), (2100, 9895881), (3150, 6597254), (6300, 3298627)]