20789968600

素因数分解:

$2^3\times 5^2\times {\mathrm{937}}^1\times {\mathrm{110939}}^1$

素因数の和:111892

約数の個数: 48

約数和(自身を含む): 48388699800

約数和(自身を除く): 27598731200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 937, 1874, 3748, 4685, 7496, 9370, 18740, 23425, 37480, 46850, 93700, 110939, 187400, 221878, 443756, 554695, 887512, 1109390, 2218780, 2773475, 4437560, 5546950, 11093900, 22187800, 103949843, 207899686, 415799372, 519749215, 831598744, 1039498430, 2078996860, 2598746075, 4157993720, 5197492150, 10394984300, 20789968600]

約数ペア:

[(1, 20789968600), (2, 10394984300), (4, 5197492150), (5, 4157993720), (8, 2598746075), (10, 2078996860), (20, 1039498430), (25, 831598744), (40, 519749215), (50, 415799372), (100, 207899686), (200, 103949843), (937, 22187800), (1874, 11093900), (3748, 5546950), (4685, 4437560), (7496, 2773475), (9370, 2218780), (18740, 1109390), (23425, 887512), (37480, 554695), (46850, 443756), (93700, 221878), (110939, 187400)]