20140321216

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{49801}}^1$

素因数の和:49973

約数の個数: 56

約数和(自身を含む): 40985053920

約数和(自身を除く): 20844732704

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 2272, 2848, 4544, 5696, 6319, 12638, 25276, 49801, 50552, 99602, 101104, 199204, 202208, 398408, 404416, 796816, 1593632, 3187264, 3535871, 4432289, 7071742, 8864578, 14143484, 17729156, 28286968, 35458312, 56573936, 70916624, 113147872, 141833248, 226295744, 283666496, 314692519, 629385038, 1258770076, 2517540152, 5035080304, 10070160608, 20140321216]

約数ペア:

[(1, 20140321216), (2, 10070160608), (4, 5035080304), (8, 2517540152), (16, 1258770076), (32, 629385038), (64, 314692519), (71, 283666496), (89, 226295744), (142, 141833248), (178, 113147872), (284, 70916624), (356, 56573936), (568, 35458312), (712, 28286968), (1136, 17729156), (1424, 14143484), (2272, 8864578), (2848, 7071742), (4544, 4432289), (5696, 3535871), (6319, 3187264), (12638, 1593632), (25276, 796816), (49801, 404416), (50552, 398408), (99602, 202208), (101104, 199204)]