20106245050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{182701}}^1$

素因数の和:182815

約数の個数: 48

約数和(自身を含む): 39147922944

約数和(自身を除く): 19041677894

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1550, 1775, 2201, 3550, 4402, 11005, 22010, 55025, 110050, 182701, 365402, 913505, 1827010, 4567525, 5663731, 9135050, 11327462, 12971771, 25943542, 28318655, 56637310, 64858855, 129717710, 141593275, 283186550, 324294275, 402124901, 648588550, 804249802, 2010624505, 4021249010, 10053122525, 20106245050]

約数ペア:

[(1, 20106245050), (2, 10053122525), (5, 4021249010), (10, 2010624505), (25, 804249802), (31, 648588550), (50, 402124901), (62, 324294275), (71, 283186550), (142, 141593275), (155, 129717710), (310, 64858855), (355, 56637310), (710, 28318655), (775, 25943542), (1550, 12971771), (1775, 11327462), (2201, 9135050), (3550, 5663731), (4402, 4567525), (11005, 1827010), (22010, 913505), (55025, 365402), (110050, 182701)]