20797914241

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1\times {\mathrm{1051}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 23218868736

約数和(自身を除く): 2420954495

約数列:

[1, 13, 41, 137, 271, 533, 1051, 1781, 3523, 5617, 11111, 13663, 37127, 43091, 73021, 143987, 144443, 284821, 482651, 560183, 1522207, 1871831, 3702673, 5903467, 11677661, 19788691, 39020477, 76745071, 151809593, 507266201, 1599839557, 20797914241]

約数ペア:

[(1, 20797914241), (13, 1599839557), (41, 507266201), (137, 151809593), (271, 76745071), (533, 39020477), (1051, 19788691), (1781, 11677661), (3523, 5903467), (5617, 3702673), (11111, 1871831), (13663, 1522207), (37127, 560183), (43091, 482651), (73021, 284821), (143987, 144443)]