20200788928

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{2029}}^1\times {\mathrm{2131}}^1$

素因数の和:4245

約数の個数: 56

約数和(自身を含む): 40674168080

約数和(自身を除く): 20473379152

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2029, 2131, 2336, 4058, 4262, 4672, 8116, 8524, 16232, 17048, 32464, 34096, 64928, 68192, 129856, 136384, 148117, 155563, 296234, 311126, 592468, 622252, 1184936, 1244504, 2369872, 2489008, 4323799, 4739744, 4978016, 8647598, 9479488, 9956032, 17295196, 34590392, 69180784, 138361568, 276723136, 315637327, 631274654, 1262549308, 2525098616, 5050197232, 10100394464, 20200788928]

約数ペア:

[(1, 20200788928), (2, 10100394464), (4, 5050197232), (8, 2525098616), (16, 1262549308), (32, 631274654), (64, 315637327), (73, 276723136), (146, 138361568), (292, 69180784), (584, 34590392), (1168, 17295196), (2029, 9956032), (2131, 9479488), (2336, 8647598), (4058, 4978016), (4262, 4739744), (4672, 4323799), (8116, 2489008), (8524, 2369872), (16232, 1244504), (17048, 1184936), (32464, 622252), (34096, 592468), (64928, 311126), (68192, 296234), (129856, 155563), (136384, 148117)]