20123009792

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{618941}}^1$

素因数の和:619084

約数の個数: 36

約数和(自身を含む): 40483758336

約数和(自身を除く): 20360748544

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 32512, 618941, 1237882, 2475764, 4951528, 9903056, 19806112, 39612224, 78605507, 79224448, 157211014, 158448896, 314422028, 628844056, 1257688112, 2515376224, 5030752448, 10061504896, 20123009792]

約数ペア:

[(1, 20123009792), (2, 10061504896), (4, 5030752448), (8, 2515376224), (16, 1257688112), (32, 628844056), (64, 314422028), (127, 158448896), (128, 157211014), (254, 79224448), (256, 78605507), (508, 39612224), (1016, 19806112), (2032, 9903056), (4064, 4951528), (8128, 2475764), (16256, 1237882), (32512, 618941)]