20748936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 56689920

約数和(自身を除く): 35940984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 911, 949, 1752, 1822, 1898, 2733, 2847, 3644, 3796, 5466, 5694, 7288, 7592, 10932, 11388, 11843, 21864, 22776, 23686, 35529, 47372, 66503, 71058, 94744, 133006, 142116, 199509, 266012, 284232, 399018, 532024, 798036, 864539, 1596072, 1729078, 2593617, 3458156, 5187234, 6916312, 10374468, 20748936]

約数ペア:

[(1, 20748936), (2, 10374468), (3, 6916312), (4, 5187234), (6, 3458156), (8, 2593617), (12, 1729078), (13, 1596072), (24, 864539), (26, 798036), (39, 532024), (52, 399018), (73, 284232), (78, 266012), (104, 199509), (146, 142116), (156, 133006), (219, 94744), (292, 71058), (312, 66503), (438, 47372), (584, 35529), (876, 23686), (911, 22776), (949, 21864), (1752, 11843), (1822, 11388), (1898, 10932), (2733, 7592), (2847, 7288), (3644, 5694), (3796, 5466)]