20123248550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{564467}}^1$

素因数の和:564533

約数の個数: 48

約数和(自身を含む): 40316562432

約数和(自身を除く): 20193313882

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 575, 713, 775, 1150, 1426, 1550, 3565, 7130, 17825, 35650, 564467, 1128934, 2822335, 5644670, 12982741, 14111675, 17498477, 25965482, 28223350, 34996954, 64913705, 87492385, 129827410, 174984770, 324568525, 402464971, 437461925, 649137050, 804929942, 874923850, 2012324855, 4024649710, 10061624275, 20123248550]

約数ペア:

[(1, 20123248550), (2, 10061624275), (5, 4024649710), (10, 2012324855), (23, 874923850), (25, 804929942), (31, 649137050), (46, 437461925), (50, 402464971), (62, 324568525), (115, 174984770), (155, 129827410), (230, 87492385), (310, 64913705), (575, 34996954), (713, 28223350), (775, 25965482), (1150, 17498477), (1426, 14111675), (1550, 12982741), (3565, 5644670), (7130, 2822335), (17825, 1128934), (35650, 564467)]