20428054528

素因数分解:

$2^{13}\times 7^2\times {\mathrm{50891}}^1$

素因数の和:50931

約数の個数: 84

約数和(自身を含む): 47524527252

約数和(自身を除く): 27096472724

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 2048, 3136, 3584, 4096, 6272, 7168, 8192, 12544, 14336, 25088, 28672, 50176, 50891, 57344, 100352, 101782, 200704, 203564, 356237, 401408, 407128, 712474, 814256, 1424948, 1628512, 2493659, 2849896, 3257024, 4987318, 5699792, 6514048, 9974636, 11399584, 13028096, 19949272, 22799168, 26056192, 39898544, 45598336, 52112384, 79797088, 91196672, 104224768, 159594176, 182393344, 208449536, 319188352, 364786688, 416899072, 638376704, 729573376, 1276753408, 1459146752, 2553506816, 2918293504, 5107013632, 10214027264, 20428054528]

約数ペア:

[(1, 20428054528), (2, 10214027264), (4, 5107013632), (7, 2918293504), (8, 2553506816), (14, 1459146752), (16, 1276753408), (28, 729573376), (32, 638376704), (49, 416899072), (56, 364786688), (64, 319188352), (98, 208449536), (112, 182393344), (128, 159594176), (196, 104224768), (224, 91196672), (256, 79797088), (392, 52112384), (448, 45598336), (512, 39898544), (784, 26056192), (896, 22799168), (1024, 19949272), (1568, 13028096), (1792, 11399584), (2048, 9974636), (3136, 6514048), (3584, 5699792), (4096, 4987318), (6272, 3257024), (7168, 2849896), (8192, 2493659), (12544, 1628512), (14336, 1424948), (25088, 814256), (28672, 712474), (50176, 407128), (50891, 401408), (57344, 356237), (100352, 203564), (101782, 200704)]