17920105

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 8082839

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 197, 565, 791, 805, 985, 1379, 2599, 3955, 4531, 6895, 12995, 18193, 22261, 22655, 31717, 90965, 111305, 155827, 158585, 512003, 779135, 2560015, 3584021, 17920105]

約数ペア:

[(1, 17920105), (5, 3584021), (7, 2560015), (23, 779135), (35, 512003), (113, 158585), (115, 155827), (161, 111305), (197, 90965), (565, 31717), (791, 22655), (805, 22261), (985, 18193), (1379, 12995), (2599, 6895), (3955, 4531)]