20657470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 39442176

約数和(自身を除く): 18784706

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1801, 2294, 3602, 5735, 9005, 11470, 18010, 55831, 66637, 111662, 133274, 279155, 333185, 558310, 666370, 2065747, 4131494, 10328735, 20657470]

約数ペア:

[(1, 20657470), (2, 10328735), (5, 4131494), (10, 2065747), (31, 666370), (37, 558310), (62, 333185), (74, 279155), (155, 133274), (185, 111662), (310, 66637), (370, 55831), (1147, 18010), (1801, 11470), (2294, 9005), (3602, 5735)]