20807041772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{12107}}^1$

素因数の和:12542

約数の個数: 48

約数和(自身を含む): 40154002560

約数和(自身を除く): 19346960788

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 281, 556, 562, 1124, 1529, 3058, 3091, 6116, 6182, 12107, 12364, 24214, 39059, 48428, 78118, 133177, 156236, 266354, 429649, 532708, 859298, 1682873, 1718596, 3365746, 3402067, 6731492, 6804134, 13608268, 18511603, 37023206, 37422737, 74046412, 74845474, 149690948, 472887313, 945774626, 1891549252, 5201760443, 10403520886, 20807041772]

約数ペア:

[(1, 20807041772), (2, 10403520886), (4, 5201760443), (11, 1891549252), (22, 945774626), (44, 472887313), (139, 149690948), (278, 74845474), (281, 74046412), (556, 37422737), (562, 37023206), (1124, 18511603), (1529, 13608268), (3058, 6804134), (3091, 6731492), (6116, 3402067), (6182, 3365746), (12107, 1718596), (12364, 1682873), (24214, 859298), (39059, 532708), (48428, 429649), (78118, 266354), (133177, 156236)]