20286136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1489}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 41302800

約数和(自身を除く): 21016664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1489, 1703, 2978, 3406, 5956, 6812, 11912, 13624, 19357, 38714, 77428, 154856, 195059, 390118, 780236, 1560472, 2535767, 5071534, 10143068, 20286136]

約数ペア:

[(1, 20286136), (2, 10143068), (4, 5071534), (8, 2535767), (13, 1560472), (26, 780236), (52, 390118), (104, 195059), (131, 154856), (262, 77428), (524, 38714), (1048, 19357), (1489, 13624), (1703, 11912), (2978, 6812), (3406, 5956)]