20512505382

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1\times {\mathrm{1109}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 42658099200

約数和(自身を除く): 22145593818

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 277, 359, 554, 718, 831, 1077, 1109, 1662, 2154, 2218, 3327, 6654, 8587, 11129, 17174, 22258, 25761, 33387, 34379, 51522, 66774, 68758, 99443, 103137, 198886, 206274, 298329, 307193, 398131, 596658, 614386, 796262, 921579, 1194393, 1843158, 2388786, 3082733, 6165466, 9248199, 9522983, 12342061, 18496398, 19045966, 24684122, 28568949, 37026183, 57137898, 74052366, 110282287, 220564574, 330846861, 661693722, 3418750897, 6837501794, 10256252691, 20512505382]

約数ペア:

[(1, 20512505382), (2, 10256252691), (3, 6837501794), (6, 3418750897), (31, 661693722), (62, 330846861), (93, 220564574), (186, 110282287), (277, 74052366), (359, 57137898), (554, 37026183), (718, 28568949), (831, 24684122), (1077, 19045966), (1109, 18496398), (1662, 12342061), (2154, 9522983), (2218, 9248199), (3327, 6165466), (6654, 3082733), (8587, 2388786), (11129, 1843158), (17174, 1194393), (22258, 921579), (25761, 796262), (33387, 614386), (34379, 596658), (51522, 398131), (66774, 307193), (68758, 298329), (99443, 206274), (103137, 198886)]