20738432

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 49380240

約数和(自身を除く): 28641808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 103, 104, 121, 128, 143, 176, 206, 208, 242, 286, 352, 412, 416, 484, 572, 704, 824, 832, 968, 1133, 1144, 1339, 1408, 1573, 1648, 1664, 1936, 2266, 2288, 2678, 3146, 3296, 3872, 4532, 4576, 5356, 6292, 6592, 7744, 9064, 9152, 10712, 12463, 12584, 13184, 14729, 15488, 18128, 18304, 21424, 24926, 25168, 29458, 36256, 42848, 49852, 50336, 58916, 72512, 85696, 99704, 100672, 117832, 145024, 162019, 171392, 199408, 201344, 235664, 324038, 398816, 471328, 648076, 797632, 942656, 1296152, 1595264, 1885312, 2592304, 5184608, 10369216, 20738432]

約数ペア:

[(1, 20738432), (2, 10369216), (4, 5184608), (8, 2592304), (11, 1885312), (13, 1595264), (16, 1296152), (22, 942656), (26, 797632), (32, 648076), (44, 471328), (52, 398816), (64, 324038), (88, 235664), (103, 201344), (104, 199408), (121, 171392), (128, 162019), (143, 145024), (176, 117832), (206, 100672), (208, 99704), (242, 85696), (286, 72512), (352, 58916), (412, 50336), (416, 49852), (484, 42848), (572, 36256), (704, 29458), (824, 25168), (832, 24926), (968, 21424), (1133, 18304), (1144, 18128), (1339, 15488), (1408, 14729), (1573, 13184), (1648, 12584), (1664, 12463), (1936, 10712), (2266, 9152), (2288, 9064), (2678, 7744), (3146, 6592), (3296, 6292), (3872, 5356), (4532, 4576)]