20873138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 37437120

約数和(自身を除く): 16563982

約数列:

[1, 2, 11, 13, 22, 26, 59, 118, 143, 286, 649, 767, 1237, 1298, 1534, 2474, 8437, 13607, 16081, 16874, 27214, 32162, 72983, 145966, 176891, 353782, 802813, 948779, 1605626, 1897558, 10436569, 20873138]

約数ペア:

[(1, 20873138), (2, 10436569), (11, 1897558), (13, 1605626), (22, 948779), (26, 802813), (59, 353782), (118, 176891), (143, 145966), (286, 72983), (649, 32162), (767, 27214), (1237, 16874), (1298, 16081), (1534, 13607), (2474, 8437)]