20781617752

素因数分解:

$2^3\times 7^2\times {\mathrm{53014331}}^1$

素因数の和:53014351

約数の個数: 24

約数和(自身を含む): 45327253860

約数和(自身を除く): 24545636108

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53014331, 106028662, 212057324, 371100317, 424114648, 742200634, 1484401268, 2597702219, 2968802536, 5195404438, 10390808876, 20781617752]

約数ペア:

[(1, 20781617752), (2, 10390808876), (4, 5195404438), (7, 2968802536), (8, 2597702219), (14, 1484401268), (28, 742200634), (49, 424114648), (56, 371100317), (98, 212057324), (196, 106028662), (392, 53014331)]