20778868648

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{839}}^1\times {\mathrm{106751}}^1$

素因数の和:107625

約数の個数: 32

約数和(自身を含む): 40352256000

約数和(自身を除く): 19573387352

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 839, 1678, 3356, 6712, 24331, 48662, 97324, 106751, 194648, 213502, 427004, 854008, 3095779, 6191558, 12383116, 24766232, 89564089, 179128178, 358256356, 716512712, 2597358581, 5194717162, 10389434324, 20778868648]

約数ペア:

[(1, 20778868648), (2, 10389434324), (4, 5194717162), (8, 2597358581), (29, 716512712), (58, 358256356), (116, 179128178), (232, 89564089), (839, 24766232), (1678, 12383116), (3356, 6191558), (6712, 3095779), (24331, 854008), (48662, 427004), (97324, 213502), (106751, 194648)]