20140421308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{35731}}^1$

素因数の和:36274

約数の個数: 48

約数和(自身を含む): 41348498688

約数和(自身を除く): 21208077380

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 491, 574, 982, 1148, 1964, 3437, 6874, 13748, 20131, 35731, 40262, 71462, 80524, 140917, 142924, 250117, 281834, 500234, 563668, 1000468, 1464971, 2929942, 5859884, 10254797, 17543921, 20509594, 35087842, 41019188, 70175684, 122807447, 245614894, 491229788, 719300761, 1438601522, 2877203044, 5035105327, 10070210654, 20140421308]

約数ペア:

[(1, 20140421308), (2, 10070210654), (4, 5035105327), (7, 2877203044), (14, 1438601522), (28, 719300761), (41, 491229788), (82, 245614894), (164, 122807447), (287, 70175684), (491, 41019188), (574, 35087842), (982, 20509594), (1148, 17543921), (1964, 10254797), (3437, 5859884), (6874, 2929942), (13748, 1464971), (20131, 1000468), (35731, 563668), (40262, 500234), (71462, 281834), (80524, 250117), (140917, 142924)]