20126392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 45128160

約数和(自身を除く): 25001768

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 73, 88, 104, 143, 146, 241, 286, 292, 482, 572, 584, 803, 949, 964, 1144, 1606, 1898, 1928, 2651, 3133, 3212, 3796, 5302, 6266, 6424, 7592, 10439, 10604, 12532, 17593, 20878, 21208, 25064, 34463, 35186, 41756, 68926, 70372, 83512, 137852, 140744, 193523, 228709, 275704, 387046, 457418, 774092, 914836, 1548184, 1829672, 2515799, 5031598, 10063196, 20126392]

約数ペア:

[(1, 20126392), (2, 10063196), (4, 5031598), (8, 2515799), (11, 1829672), (13, 1548184), (22, 914836), (26, 774092), (44, 457418), (52, 387046), (73, 275704), (88, 228709), (104, 193523), (143, 140744), (146, 137852), (241, 83512), (286, 70372), (292, 68926), (482, 41756), (572, 35186), (584, 34463), (803, 25064), (949, 21208), (964, 20878), (1144, 17593), (1606, 12532), (1898, 10604), (1928, 10439), (2651, 7592), (3133, 6424), (3212, 6266), (3796, 5302)]