20420608

素因数分解:

$2^{11}\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 44963100

約数和(自身を除く): 24542492

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 169, 208, 236, 256, 338, 416, 472, 512, 676, 767, 832, 944, 1024, 1352, 1534, 1664, 1888, 2048, 2704, 3068, 3328, 3776, 5408, 6136, 6656, 7552, 9971, 10816, 12272, 13312, 15104, 19942, 21632, 24544, 26624, 30208, 39884, 43264, 49088, 60416, 79768, 86528, 98176, 120832, 159536, 173056, 196352, 319072, 346112, 392704, 638144, 785408, 1276288, 1570816, 2552576, 5105152, 10210304, 20420608]

約数ペア:

[(1, 20420608), (2, 10210304), (4, 5105152), (8, 2552576), (13, 1570816), (16, 1276288), (26, 785408), (32, 638144), (52, 392704), (59, 346112), (64, 319072), (104, 196352), (118, 173056), (128, 159536), (169, 120832), (208, 98176), (236, 86528), (256, 79768), (338, 60416), (416, 49088), (472, 43264), (512, 39884), (676, 30208), (767, 26624), (832, 24544), (944, 21632), (1024, 19942), (1352, 15104), (1534, 13312), (1664, 12272), (1888, 10816), (2048, 9971), (2704, 7552), (3068, 6656), (3328, 6136), (3776, 5408)]