20804977875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{38501}}^1$

素因数の和:38661

約数の個数: 64

約数和(自身を含む): 38055992832

約数和(自身を除く): 17251014957

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 131, 165, 275, 375, 393, 655, 825, 1375, 1441, 1965, 3275, 4125, 4323, 7205, 9825, 16375, 21615, 36025, 38501, 49125, 108075, 115503, 180125, 192505, 423511, 540375, 577515, 962525, 1270533, 2117555, 2887575, 4812625, 5043631, 6352665, 10587775, 14437875, 15130893, 25218155, 31763325, 52938875, 55479941, 75654465, 126090775, 158816625, 166439823, 277399705, 378272325, 630453875, 832199115, 1386998525, 1891361625, 4160995575, 6934992625, 20804977875]

約数ペア:

[(1, 20804977875), (3, 6934992625), (5, 4160995575), (11, 1891361625), (15, 1386998525), (25, 832199115), (33, 630453875), (55, 378272325), (75, 277399705), (125, 166439823), (131, 158816625), (165, 126090775), (275, 75654465), (375, 55479941), (393, 52938875), (655, 31763325), (825, 25218155), (1375, 15130893), (1441, 14437875), (1965, 10587775), (3275, 6352665), (4125, 5043631), (4323, 4812625), (7205, 2887575), (9825, 2117555), (16375, 1270533), (21615, 962525), (36025, 577515), (38501, 540375), (49125, 423511), (108075, 192505), (115503, 180125)]