20290438912

素因数分解:

$2^8\times {\mathrm{283}}^1\times {\mathrm{280069}}^1$

素因数の和:280368

約数の個数: 36

約数和(自身を含む): 40644878680

約数和(自身を除く): 20354439768

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 283, 566, 1132, 2264, 4528, 9056, 18112, 36224, 72448, 280069, 560138, 1120276, 2240552, 4481104, 8962208, 17924416, 35848832, 71697664, 79259527, 158519054, 317038108, 634076216, 1268152432, 2536304864, 5072609728, 10145219456, 20290438912]

約数ペア:

[(1, 20290438912), (2, 10145219456), (4, 5072609728), (8, 2536304864), (16, 1268152432), (32, 634076216), (64, 317038108), (128, 158519054), (256, 79259527), (283, 71697664), (566, 35848832), (1132, 17924416), (2264, 8962208), (4528, 4481104), (9056, 2240552), (18112, 1120276), (36224, 560138), (72448, 280069)]