20187208064

素因数分解:

$2^7\times {\mathrm{227}}^1\times {\mathrm{331}}^1\times {\mathrm{2099}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 40535208000

約数和(自身を除く): 20347999936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 227, 331, 454, 662, 908, 1324, 1816, 2099, 2648, 3632, 4198, 5296, 7264, 8396, 10592, 14528, 16792, 21184, 29056, 33584, 42368, 67168, 75137, 134336, 150274, 268672, 300548, 476473, 601096, 694769, 952946, 1202192, 1389538, 1905892, 2404384, 2779076, 3811784, 4808768, 5558152, 7623568, 9617536, 11116304, 15247136, 22232608, 30494272, 44465216, 60988544, 88930432, 157712563, 315425126, 630850252, 1261700504, 2523401008, 5046802016, 10093604032, 20187208064]

約数ペア:

[(1, 20187208064), (2, 10093604032), (4, 5046802016), (8, 2523401008), (16, 1261700504), (32, 630850252), (64, 315425126), (128, 157712563), (227, 88930432), (331, 60988544), (454, 44465216), (662, 30494272), (908, 22232608), (1324, 15247136), (1816, 11116304), (2099, 9617536), (2648, 7623568), (3632, 5558152), (4198, 4808768), (5296, 3811784), (7264, 2779076), (8396, 2404384), (10592, 1905892), (14528, 1389538), (16792, 1202192), (21184, 952946), (29056, 694769), (33584, 601096), (42368, 476473), (67168, 300548), (75137, 268672), (134336, 150274)]