20689849455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1\times {\mathrm{3889}}^1$

素因数の和:5624

約数の個数: 64

約数和(自身を含む): 38046067200

約数和(自身を除く): 17356217745

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 1697, 3135, 3889, 5091, 8485, 11667, 18667, 19445, 25455, 32243, 42779, 56001, 58335, 73891, 93335, 96729, 128337, 161215, 213895, 221673, 280005, 354673, 369455, 483645, 641685, 812801, 1064019, 1108365, 1773365, 2438403, 4064005, 5320095, 6599633, 12192015, 19798899, 32998165, 72595963, 98994495, 125393027, 217787889, 362979815, 376179081, 626965135, 1088939445, 1379323297, 1880895405, 4137969891, 6896616485, 20689849455]

約数ペア:

[(1, 20689849455), (3, 6896616485), (5, 4137969891), (11, 1880895405), (15, 1379323297), (19, 1088939445), (33, 626965135), (55, 376179081), (57, 362979815), (95, 217787889), (165, 125393027), (209, 98994495), (285, 72595963), (627, 32998165), (1045, 19798899), (1697, 12192015), (3135, 6599633), (3889, 5320095), (5091, 4064005), (8485, 2438403), (11667, 1773365), (18667, 1108365), (19445, 1064019), (25455, 812801), (32243, 641685), (42779, 483645), (56001, 369455), (58335, 354673), (73891, 280005), (93335, 221673), (96729, 213895), (128337, 161215)]