20920077981

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{5393}}^1$

素因数の和:5803

約数の個数: 64

約数和(自身を含む): 34828842240

約数和(自身を除く): 13908764259

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 353, 407, 999, 1059, 1221, 3177, 3663, 3883, 5393, 9531, 10989, 11649, 13061, 16179, 34947, 39183, 48537, 59323, 104841, 117549, 143671, 145611, 177969, 199541, 352647, 431013, 533907, 598623, 1293039, 1601721, 1795869, 1903729, 2194951, 3879117, 5387607, 5711187, 6584853, 17133561, 19754559, 20941019, 51400683, 59263677, 62823057, 70437973, 188469171, 211313919, 565407513, 633941757, 774817703, 1901825271, 2324453109, 6973359327, 20920077981]

約数ペア:

[(1, 20920077981), (3, 6973359327), (9, 2324453109), (11, 1901825271), (27, 774817703), (33, 633941757), (37, 565407513), (99, 211313919), (111, 188469171), (297, 70437973), (333, 62823057), (353, 59263677), (407, 51400683), (999, 20941019), (1059, 19754559), (1221, 17133561), (3177, 6584853), (3663, 5711187), (3883, 5387607), (5393, 3879117), (9531, 2194951), (10989, 1903729), (11649, 1795869), (13061, 1601721), (16179, 1293039), (34947, 598623), (39183, 533907), (48537, 431013), (59323, 352647), (104841, 199541), (117549, 177969), (143671, 145611)]