20666152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11689}}^1$

素因数の和:11725

約数の個数: 32

約数和(自身を含む): 44188200

約数和(自身を除く): 23522048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11689, 23378, 46756, 93512, 151957, 198713, 303914, 397426, 607828, 794852, 1215656, 1589704, 2583269, 5166538, 10333076, 20666152]

約数ペア:

[(1, 20666152), (2, 10333076), (4, 5166538), (8, 2583269), (13, 1589704), (17, 1215656), (26, 794852), (34, 607828), (52, 397426), (68, 303914), (104, 198713), (136, 151957), (221, 93512), (442, 46756), (884, 23378), (1768, 11689)]