20104351652

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{68927}}^1$

素因数の和:69896

約数の個数: 48

約数和(自身を含む): 43910995968

約数和(自身を除く): 23806644316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 947, 1894, 3788, 6629, 10417, 13258, 20834, 26516, 41668, 68927, 72919, 137854, 145838, 275708, 291676, 482489, 758197, 964978, 1516394, 1929956, 3032788, 5307379, 10614758, 21229516, 65273869, 130547738, 261095476, 456917083, 718012559, 913834166, 1436025118, 1827668332, 2872050236, 5026087913, 10052175826, 20104351652]

約数ペア:

[(1, 20104351652), (2, 10052175826), (4, 5026087913), (7, 2872050236), (11, 1827668332), (14, 1436025118), (22, 913834166), (28, 718012559), (44, 456917083), (77, 261095476), (154, 130547738), (308, 65273869), (947, 21229516), (1894, 10614758), (3788, 5307379), (6629, 3032788), (10417, 1929956), (13258, 1516394), (20834, 964978), (26516, 758197), (41668, 482489), (68927, 291676), (72919, 275708), (137854, 145838)]