20858528067

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{7219}}^1$

素因数の和:7428

約数の個数: 48

約数和(自身を含む): 31076035200

約数和(自身を除く): 10217507133

約数列:

[1, 3, 13, 39, 41, 123, 139, 169, 417, 507, 533, 1599, 1807, 5421, 5699, 6929, 7219, 17097, 20787, 21657, 23491, 70473, 74087, 93847, 222261, 281541, 295979, 887937, 963131, 1003441, 1220011, 2889393, 3010323, 3660033, 3847727, 11543181, 13044733, 39134199, 41141081, 50020451, 123423243, 150061353, 169581529, 508744587, 534834053, 1604502159, 6952842689, 20858528067]

約数ペア:

[(1, 20858528067), (3, 6952842689), (13, 1604502159), (39, 534834053), (41, 508744587), (123, 169581529), (139, 150061353), (169, 123423243), (417, 50020451), (507, 41141081), (533, 39134199), (1599, 13044733), (1807, 11543181), (5421, 3847727), (5699, 3660033), (6929, 3010323), (7219, 2889393), (17097, 1220011), (20787, 1003441), (21657, 963131), (23491, 887937), (70473, 295979), (74087, 281541), (93847, 222261)]