20197236423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{678739}}^1$

素因数の和:678871

約数の個数: 32

約数和(自身を含む): 33448307200

約数和(自身を除く): 13251070777

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 9919, 29757, 678739, 2036217, 4751173, 8823607, 14253519, 26470821, 61765249, 73982551, 185295747, 221947653, 517877857, 961773163, 1553633571, 2885319489, 6732412141, 20197236423]

約数ペア:

[(1, 20197236423), (3, 6732412141), (7, 2885319489), (13, 1553633571), (21, 961773163), (39, 517877857), (91, 221947653), (109, 185295747), (273, 73982551), (327, 61765249), (763, 26470821), (1417, 14253519), (2289, 8823607), (4251, 4751173), (9919, 2036217), (29757, 678739)]