20123998041

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1399}}^1\times {\mathrm{2729}}^1$

素因数の和:4389

約数の個数: 32

約数和(自身を含む): 30820608000

約数和(自身を除く): 10696609959

約数列:

[1, 3, 7, 21, 251, 753, 1399, 1757, 2729, 4197, 5271, 8187, 9793, 19103, 29379, 57309, 351149, 684979, 1053447, 2054937, 2458043, 3817871, 4794853, 7374129, 11453613, 14384559, 26725097, 80175291, 958285621, 2874856863, 6707999347, 20123998041]

約数ペア:

[(1, 20123998041), (3, 6707999347), (7, 2874856863), (21, 958285621), (251, 80175291), (753, 26725097), (1399, 14384559), (1757, 11453613), (2729, 7374129), (4197, 4794853), (5271, 3817871), (8187, 2458043), (9793, 2054937), (19103, 1053447), (29379, 684979), (57309, 351149)]