20551050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1171}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 61037760

約数和(自身を除く): 40486710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 150, 195, 225, 234, 270, 325, 351, 390, 450, 585, 650, 675, 702, 975, 1170, 1171, 1350, 1755, 1950, 2342, 2925, 3510, 3513, 5850, 5855, 7026, 8775, 10539, 11710, 15223, 17550, 17565, 21078, 29275, 30446, 31617, 35130, 45669, 52695, 58550, 63234, 76115, 87825, 91338, 105390, 137007, 152230, 158085, 175650, 228345, 263475, 274014, 316170, 380575, 411021, 456690, 526950, 685035, 761150, 790425, 822042, 1141725, 1370070, 1580850, 2055105, 2283450, 3425175, 4110210, 6850350, 10275525, 20551050]

約数ペア:

[(1, 20551050), (2, 10275525), (3, 6850350), (5, 4110210), (6, 3425175), (9, 2283450), (10, 2055105), (13, 1580850), (15, 1370070), (18, 1141725), (25, 822042), (26, 790425), (27, 761150), (30, 685035), (39, 526950), (45, 456690), (50, 411021), (54, 380575), (65, 316170), (75, 274014), (78, 263475), (90, 228345), (117, 175650), (130, 158085), (135, 152230), (150, 137007), (195, 105390), (225, 91338), (234, 87825), (270, 76115), (325, 63234), (351, 58550), (390, 52695), (450, 45669), (585, 35130), (650, 31617), (675, 30446), (702, 29275), (975, 21078), (1170, 17565), (1171, 17550), (1350, 15223), (1755, 11710), (1950, 10539), (2342, 8775), (2925, 7026), (3510, 5855), (3513, 5850)]