20177031488

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{19213}}^1$

素因数の和:19555

約数の個数: 56

約数和(自身を含む): 40848579720

約数和(自身を除く): 20671548232

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 269, 488, 538, 976, 1076, 1952, 2152, 3904, 4304, 8608, 16409, 17216, 19213, 32818, 38426, 65636, 76852, 131272, 153704, 262544, 307408, 525088, 614816, 1050176, 1171993, 1229632, 2343986, 4687972, 5168297, 9375944, 10336594, 18751888, 20673188, 37503776, 41346376, 75007552, 82692752, 165385504, 315266117, 330771008, 630532234, 1261064468, 2522128936, 5044257872, 10088515744, 20177031488]

約数ペア:

[(1, 20177031488), (2, 10088515744), (4, 5044257872), (8, 2522128936), (16, 1261064468), (32, 630532234), (61, 330771008), (64, 315266117), (122, 165385504), (244, 82692752), (269, 75007552), (488, 41346376), (538, 37503776), (976, 20673188), (1076, 18751888), (1952, 10336594), (2152, 9375944), (3904, 5168297), (4304, 4687972), (8608, 2343986), (16409, 1229632), (17216, 1171993), (19213, 1050176), (32818, 614816), (38426, 525088), (65636, 307408), (76852, 262544), (131272, 153704)]