2020554460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{13721}}^1$

素因数の和:13966

約数の個数: 48

約数和(自身を含む): 4380062400

約数和(自身を除く): 2359507940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1990, 3980, 7363, 13721, 14726, 27442, 29452, 36815, 54884, 68605, 73630, 137210, 147260, 274420, 507677, 1015354, 2030708, 2538385, 2730479, 5076770, 5460958, 10153540, 10921916, 13652395, 27304790, 54609580, 101027723, 202055446, 404110892, 505138615, 1010277230, 2020554460]

約数ペア:

[(1, 2020554460), (2, 1010277230), (4, 505138615), (5, 404110892), (10, 202055446), (20, 101027723), (37, 54609580), (74, 27304790), (148, 13652395), (185, 10921916), (199, 10153540), (370, 5460958), (398, 5076770), (740, 2730479), (796, 2538385), (995, 2030708), (1990, 1015354), (3980, 507677), (7363, 274420), (13721, 147260), (14726, 137210), (27442, 73630), (29452, 68605), (36815, 54884)]