2016720004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{40357}}^1$

素因数の和:40436

約数の個数: 36

約数和(自身を含む): 3927398412

約数和(自身を除く): 1910678408

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1922, 3844, 12493, 24986, 40357, 49972, 80714, 161428, 524641, 1049282, 1251067, 2098564, 2502134, 5004268, 16263871, 32527742, 38783077, 65055484, 77566154, 155132308, 504180001, 1008360002, 2016720004]

約数ペア:

[(1, 2016720004), (2, 1008360002), (4, 504180001), (13, 155132308), (26, 77566154), (31, 65055484), (52, 38783077), (62, 32527742), (124, 16263871), (403, 5004268), (806, 2502134), (961, 2098564), (1612, 1251067), (1922, 1049282), (3844, 524641), (12493, 161428), (24986, 80714), (40357, 49972)]