20167712

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 42511392

約数和(自身を除く): 22343680

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 131, 136, 262, 272, 283, 524, 544, 566, 1048, 1132, 2096, 2227, 2264, 4192, 4454, 4528, 4811, 8908, 9056, 9622, 17816, 19244, 35632, 37073, 38488, 71264, 74146, 76976, 148292, 153952, 296584, 593168, 630241, 1186336, 1260482, 2520964, 5041928, 10083856, 20167712]

約数ペア:

[(1, 20167712), (2, 10083856), (4, 5041928), (8, 2520964), (16, 1260482), (17, 1186336), (32, 630241), (34, 593168), (68, 296584), (131, 153952), (136, 148292), (262, 76976), (272, 74146), (283, 71264), (524, 38488), (544, 37073), (566, 35632), (1048, 19244), (1132, 17816), (2096, 9622), (2227, 9056), (2264, 8908), (4192, 4811), (4454, 4528)]