20788896736

素因数分解:

$2^5\times {\mathrm{269}}^1\times {\mathrm{991}}^1\times {\mathrm{2437}}^1$

素因数の和:3707

約数の個数: 48

約数和(自身を含む): 41138616960

約数和(自身を除く): 20349720224

約数列:

[1, 2, 4, 8, 16, 32, 269, 538, 991, 1076, 1982, 2152, 2437, 3964, 4304, 4874, 7928, 8608, 9748, 15856, 19496, 31712, 38992, 77984, 266579, 533158, 655553, 1066316, 1311106, 2132632, 2415067, 2622212, 4265264, 4830134, 5244424, 8530528, 9660268, 10488848, 19320536, 20977696, 38641072, 77282144, 649653023, 1299306046, 2598612092, 5197224184, 10394448368, 20788896736]

約数ペア:

[(1, 20788896736), (2, 10394448368), (4, 5197224184), (8, 2598612092), (16, 1299306046), (32, 649653023), (269, 77282144), (538, 38641072), (991, 20977696), (1076, 19320536), (1982, 10488848), (2152, 9660268), (2437, 8530528), (3964, 5244424), (4304, 4830134), (4874, 4265264), (7928, 2622212), (8608, 2415067), (9748, 2132632), (15856, 1311106), (19496, 1066316), (31712, 655553), (38992, 533158), (77984, 266579)]