20589584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1283}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 42988320

約数和(自身を除く): 22398736

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1283, 2006, 2566, 4012, 5132, 8024, 10264, 16048, 20528, 21811, 43622, 75697, 87244, 151394, 174488, 302788, 348976, 605576, 1211152, 1286849, 2573698, 5147396, 10294792, 20589584]

約数ペア:

[(1, 20589584), (2, 10294792), (4, 5147396), (8, 2573698), (16, 1286849), (17, 1211152), (34, 605576), (59, 348976), (68, 302788), (118, 174488), (136, 151394), (236, 87244), (272, 75697), (472, 43622), (944, 21811), (1003, 20528), (1283, 16048), (2006, 10264), (2566, 8024), (4012, 5132)]