20123686064

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{1399}}^1\times {\mathrm{1831}}^1$

素因数の和:3729

約数の個数: 40

約数和(自身を含む): 39118329600

約数和(自身を除く): 18994643536

約数列:

[1, 2, 4, 8, 16, 491, 982, 1399, 1831, 1964, 2798, 3662, 3928, 5596, 7324, 7856, 11192, 14648, 22384, 29296, 686909, 899021, 1373818, 1798042, 2561569, 2747636, 3596084, 5123138, 5495272, 7192168, 10246276, 10990544, 14384336, 20492552, 40985104, 1257730379, 2515460758, 5030921516, 10061843032, 20123686064]

約数ペア:

[(1, 20123686064), (2, 10061843032), (4, 5030921516), (8, 2515460758), (16, 1257730379), (491, 40985104), (982, 20492552), (1399, 14384336), (1831, 10990544), (1964, 10246276), (2798, 7192168), (3662, 5495272), (3928, 5123138), (5596, 3596084), (7324, 2747636), (7856, 2561569), (11192, 1798042), (14648, 1373818), (22384, 899021), (29296, 686909)]