20295044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24411772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 503, 524, 917, 1006, 1441, 1834, 2012, 2882, 3521, 3668, 5533, 5764, 7042, 10087, 11066, 14084, 20174, 22132, 38731, 40348, 65893, 77462, 131786, 154924, 263572, 461251, 724823, 922502, 1449646, 1845004, 2899292, 5073761, 10147522, 20295044]

約数ペア:

[(1, 20295044), (2, 10147522), (4, 5073761), (7, 2899292), (11, 1845004), (14, 1449646), (22, 922502), (28, 724823), (44, 461251), (77, 263572), (131, 154924), (154, 131786), (262, 77462), (308, 65893), (503, 40348), (524, 38731), (917, 22132), (1006, 20174), (1441, 14084), (1834, 11066), (2012, 10087), (2882, 7042), (3521, 5764), (3668, 5533)]