20898618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9239}}^1$

素因数の和:9286

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25670982

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9239, 18478, 27717, 55434, 120107, 240214, 267931, 360321, 535862, 720642, 803793, 1607586, 3483103, 6966206, 10449309, 20898618]

約数ペア:

[(1, 20898618), (2, 10449309), (3, 6966206), (6, 3483103), (13, 1607586), (26, 803793), (29, 720642), (39, 535862), (58, 360321), (78, 267931), (87, 240214), (174, 120107), (377, 55434), (754, 27717), (1131, 18478), (2262, 9239)]