20191556871

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{6547}}^1$

素因数の和:6940

約数の個数: 48

約数和(自身を含む): 31183985664

約数和(自身を除く): 10992428793

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 317, 423, 951, 1081, 2853, 3243, 6547, 7291, 9729, 14899, 19641, 21873, 44697, 58923, 65619, 134091, 150581, 307709, 342677, 451743, 923127, 1028031, 1355229, 2075399, 2769381, 3084093, 6226197, 7077307, 18678591, 21231921, 47734177, 63695763, 97543753, 143202531, 292631259, 429607593, 877893777, 2243506319, 6730518957, 20191556871]

約数ペア:

[(1, 20191556871), (3, 6730518957), (9, 2243506319), (23, 877893777), (47, 429607593), (69, 292631259), (141, 143202531), (207, 97543753), (317, 63695763), (423, 47734177), (951, 21231921), (1081, 18678591), (2853, 7077307), (3243, 6226197), (6547, 3084093), (7291, 2769381), (9729, 2075399), (14899, 1355229), (19641, 1028031), (21873, 923127), (44697, 451743), (58923, 342677), (65619, 307709), (134091, 150581)]