20544047407

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{25679}}^1$

素因数の和:25831

約数の個数: 32

約数和(自身を含む): 24159744000

約数和(自身を除く): 3615696593

約数列:

[1, 13, 19, 41, 79, 247, 533, 779, 1027, 1501, 3239, 10127, 19513, 25679, 42107, 61541, 333827, 487901, 800033, 1052839, 2028641, 6342713, 13686907, 20003941, 26372333, 38544179, 83174281, 260051233, 501074327, 1081265653, 1580311339, 20544047407]

約数ペア:

[(1, 20544047407), (13, 1580311339), (19, 1081265653), (41, 501074327), (79, 260051233), (247, 83174281), (533, 38544179), (779, 26372333), (1027, 20003941), (1501, 13686907), (3239, 6342713), (10127, 2028641), (19513, 1052839), (25679, 800033), (42107, 487901), (61541, 333827)]